18454920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 64350720

約数和(自身を除く): 45895800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 41, 44, 55, 60, 62, 66, 82, 88, 93, 110, 120, 121, 123, 124, 132, 155, 164, 165, 186, 205, 220, 242, 246, 248, 264, 310, 328, 330, 341, 363, 372, 410, 440, 451, 465, 484, 492, 605, 615, 620, 660, 682, 726, 744, 820, 902, 930, 968, 984, 1023, 1210, 1230, 1240, 1271, 1320, 1353, 1364, 1452, 1640, 1705, 1804, 1815, 1860, 2046, 2255, 2420, 2460, 2542, 2706, 2728, 2904, 3410, 3608, 3630, 3720, 3751, 3813, 4092, 4510, 4840, 4920, 4961, 5084, 5115, 5412, 6355, 6765, 6820, 7260, 7502, 7626, 8184, 9020, 9922, 10168, 10230, 10824, 11253, 12710, 13530, 13640, 13981, 14520, 14883, 15004, 15252, 18040, 18755, 19065, 19844, 20460, 22506, 24805, 25420, 27060, 27962, 29766, 30008, 30504, 37510, 38130, 39688, 40920, 41943, 45012, 49610, 50840, 54120, 55924, 56265, 59532, 69905, 74415, 75020, 76260, 83886, 90024, 99220, 111848, 112530, 119064, 139810, 148830, 150040, 152520, 153791, 167772, 198440, 209715, 225060, 279620, 297660, 307582, 335544, 419430, 450120, 461373, 559240, 595320, 615164, 768955, 838860, 922746, 1230328, 1537910, 1677720, 1845492, 2306865, 3075820, 3690984, 4613730, 6151640, 9227460, 18454920]

約数ペア:

[(1, 18454920), (2, 9227460), (3, 6151640), (4, 4613730), (5, 3690984), (6, 3075820), (8, 2306865), (10, 1845492), (11, 1677720), (12, 1537910), (15, 1230328), (20, 922746), (22, 838860), (24, 768955), (30, 615164), (31, 595320), (33, 559240), (40, 461373), (41, 450120), (44, 419430), (55, 335544), (60, 307582), (62, 297660), (66, 279620), (82, 225060), (88, 209715), (93, 198440), (110, 167772), (120, 153791), (121, 152520), (123, 150040), (124, 148830), (132, 139810), (155, 119064), (164, 112530), (165, 111848), (186, 99220), (205, 90024), (220, 83886), (242, 76260), (246, 75020), (248, 74415), (264, 69905), (310, 59532), (328, 56265), (330, 55924), (341, 54120), (363, 50840), (372, 49610), (410, 45012), (440, 41943), (451, 40920), (465, 39688), (484, 38130), (492, 37510), (605, 30504), (615, 30008), (620, 29766), (660, 27962), (682, 27060), (726, 25420), (744, 24805), (820, 22506), (902, 20460), (930, 19844), (968, 19065), (984, 18755), (1023, 18040), (1210, 15252), (1230, 15004), (1240, 14883), (1271, 14520), (1320, 13981), (1353, 13640), (1364, 13530), (1452, 12710), (1640, 11253), (1705, 10824), (1804, 10230), (1815, 10168), (1860, 9922), (2046, 9020), (2255, 8184), (2420, 7626), (2460, 7502), (2542, 7260), (2706, 6820), (2728, 6765), (2904, 6355), (3410, 5412), (3608, 5115), (3630, 5084), (3720, 4961), (3751, 4920), (3813, 4840), (4092, 4510)]