18907460702

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 31433935680

約数和(自身を除く): 12526474978

約数列:

[1, 2, 13, 26, 67, 134, 157, 257, 269, 314, 514, 538, 871, 1742, 2041, 3341, 3497, 4082, 6682, 6994, 10519, 17219, 18023, 21038, 34438, 36046, 40349, 42233, 69133, 80698, 84466, 136747, 138266, 223847, 234299, 273494, 447694, 468598, 524537, 549029, 898729, 1049074, 1098058, 1797458, 2703383, 2829611, 4631911, 5406766, 5659222, 9263822, 10853881, 21707762, 35143979, 36784943, 60214843, 70287958, 73569886, 120429686, 141100453, 282200906, 727210027, 1454420054, 9453730351, 18907460702]

約数ペア:

[(1, 18907460702), (2, 9453730351), (13, 1454420054), (26, 727210027), (67, 282200906), (134, 141100453), (157, 120429686), (257, 73569886), (269, 70287958), (314, 60214843), (514, 36784943), (538, 35143979), (871, 21707762), (1742, 10853881), (2041, 9263822), (3341, 5659222), (3497, 5406766), (4082, 4631911), (6682, 2829611), (6994, 2703383), (10519, 1797458), (17219, 1098058), (18023, 1049074), (21038, 898729), (34438, 549029), (36046, 524537), (40349, 468598), (42233, 447694), (69133, 273494), (80698, 234299), (84466, 223847), (136747, 138266)]