19818260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 55012608

約数和(自身を除く): 35194348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 757, 770, 935, 1190, 1309, 1514, 1540, 1870, 2380, 2618, 3028, 3740, 3785, 5236, 5299, 6545, 7570, 8327, 10598, 12869, 13090, 15140, 16654, 21196, 25738, 26180, 26495, 33308, 41635, 51476, 52990, 58289, 64345, 83270, 90083, 105980, 116578, 128690, 141559, 166540, 180166, 233156, 257380, 283118, 291445, 360332, 450415, 566236, 582890, 707795, 900830, 990913, 1165780, 1415590, 1801660, 1981826, 2831180, 3963652, 4954565, 9909130, 19818260]

約数ペア:

[(1, 19818260), (2, 9909130), (4, 4954565), (5, 3963652), (7, 2831180), (10, 1981826), (11, 1801660), (14, 1415590), (17, 1165780), (20, 990913), (22, 900830), (28, 707795), (34, 582890), (35, 566236), (44, 450415), (55, 360332), (68, 291445), (70, 283118), (77, 257380), (85, 233156), (110, 180166), (119, 166540), (140, 141559), (154, 128690), (170, 116578), (187, 105980), (220, 90083), (238, 83270), (308, 64345), (340, 58289), (374, 52990), (385, 51476), (476, 41635), (595, 33308), (748, 26495), (757, 26180), (770, 25738), (935, 21196), (1190, 16654), (1309, 15140), (1514, 13090), (1540, 12869), (1870, 10598), (2380, 8327), (2618, 7570), (3028, 6545), (3740, 5299), (3785, 5236)]