19460560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 160

約数和(自身を含む): 57139200

約数和(自身を除く): 37678640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 59, 62, 70, 76, 80, 95, 112, 118, 124, 133, 140, 152, 155, 190, 217, 236, 248, 266, 280, 295, 304, 310, 380, 413, 434, 472, 496, 532, 560, 589, 590, 620, 665, 760, 826, 868, 944, 1064, 1085, 1121, 1178, 1180, 1240, 1330, 1520, 1652, 1736, 1829, 2065, 2128, 2170, 2242, 2356, 2360, 2480, 2660, 2945, 3304, 3472, 3658, 4123, 4130, 4340, 4484, 4712, 4720, 5320, 5605, 5890, 6608, 7316, 7847, 8246, 8260, 8680, 8968, 9145, 9424, 10640, 11210, 11780, 12803, 14632, 15694, 16492, 16520, 17360, 17936, 18290, 20615, 22420, 23560, 25606, 29264, 31388, 32984, 33040, 34751, 36580, 39235, 41230, 44840, 47120, 51212, 62776, 64015, 65968, 69502, 73160, 78470, 82460, 89680, 102424, 125552, 128030, 139004, 146320, 156940, 164920, 173755, 204848, 243257, 256060, 278008, 313880, 329840, 347510, 486514, 512120, 556016, 627760, 695020, 973028, 1024240, 1216285, 1390040, 1946056, 2432570, 2780080, 3892112, 4865140, 9730280, 19460560]

約数ペア:

[(1, 19460560), (2, 9730280), (4, 4865140), (5, 3892112), (7, 2780080), (8, 2432570), (10, 1946056), (14, 1390040), (16, 1216285), (19, 1024240), (20, 973028), (28, 695020), (31, 627760), (35, 556016), (38, 512120), (40, 486514), (56, 347510), (59, 329840), (62, 313880), (70, 278008), (76, 256060), (80, 243257), (95, 204848), (112, 173755), (118, 164920), (124, 156940), (133, 146320), (140, 139004), (152, 128030), (155, 125552), (190, 102424), (217, 89680), (236, 82460), (248, 78470), (266, 73160), (280, 69502), (295, 65968), (304, 64015), (310, 62776), (380, 51212), (413, 47120), (434, 44840), (472, 41230), (496, 39235), (532, 36580), (560, 34751), (589, 33040), (590, 32984), (620, 31388), (665, 29264), (760, 25606), (826, 23560), (868, 22420), (944, 20615), (1064, 18290), (1085, 17936), (1121, 17360), (1178, 16520), (1180, 16492), (1240, 15694), (1330, 14632), (1520, 12803), (1652, 11780), (1736, 11210), (1829, 10640), (2065, 9424), (2128, 9145), (2170, 8968), (2242, 8680), (2356, 8260), (2360, 8246), (2480, 7847), (2660, 7316), (2945, 6608), (3304, 5890), (3472, 5605), (3658, 5320), (4123, 4720), (4130, 4712), (4340, 4484)]