18624180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 60056640

約数和(自身を除く): 41432460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 31, 34, 38, 51, 57, 60, 62, 68, 76, 85, 93, 95, 102, 114, 124, 155, 170, 186, 190, 204, 228, 255, 285, 310, 323, 340, 372, 380, 465, 510, 527, 570, 589, 620, 646, 930, 961, 969, 1020, 1054, 1140, 1178, 1292, 1581, 1615, 1767, 1860, 1922, 1938, 2108, 2356, 2635, 2883, 2945, 3162, 3230, 3534, 3844, 3876, 4805, 4845, 5270, 5766, 5890, 6324, 6460, 7068, 7905, 8835, 9610, 9690, 10013, 10540, 11532, 11780, 14415, 15810, 16337, 17670, 18259, 19220, 19380, 20026, 28830, 30039, 31620, 32674, 35340, 36518, 40052, 49011, 50065, 54777, 57660, 60078, 65348, 73036, 81685, 91295, 98022, 100130, 109554, 120156, 150195, 163370, 182590, 196044, 200260, 219108, 245055, 273885, 300390, 310403, 326740, 365180, 490110, 547770, 600780, 620806, 931209, 980220, 1095540, 1241612, 1552015, 1862418, 3104030, 3724836, 4656045, 6208060, 9312090, 18624180]

約数ペア:

[(1, 18624180), (2, 9312090), (3, 6208060), (4, 4656045), (5, 3724836), (6, 3104030), (10, 1862418), (12, 1552015), (15, 1241612), (17, 1095540), (19, 980220), (20, 931209), (30, 620806), (31, 600780), (34, 547770), (38, 490110), (51, 365180), (57, 326740), (60, 310403), (62, 300390), (68, 273885), (76, 245055), (85, 219108), (93, 200260), (95, 196044), (102, 182590), (114, 163370), (124, 150195), (155, 120156), (170, 109554), (186, 100130), (190, 98022), (204, 91295), (228, 81685), (255, 73036), (285, 65348), (310, 60078), (323, 57660), (340, 54777), (372, 50065), (380, 49011), (465, 40052), (510, 36518), (527, 35340), (570, 32674), (589, 31620), (620, 30039), (646, 28830), (930, 20026), (961, 19380), (969, 19220), (1020, 18259), (1054, 17670), (1140, 16337), (1178, 15810), (1292, 14415), (1581, 11780), (1615, 11532), (1767, 10540), (1860, 10013), (1922, 9690), (1938, 9610), (2108, 8835), (2356, 7905), (2635, 7068), (2883, 6460), (2945, 6324), (3162, 5890), (3230, 5766), (3534, 5270), (3844, 4845), (3876, 4805)]