18481068004

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1\times {\mathrm{20297}}^1$

素因数の和:21388

約数の個数: 48

約数和(自身を含む): 38192716800

約数和(自身を除く): 19711648796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1049, 2098, 4196, 7343, 14686, 20297, 29372, 32519, 40594, 65038, 81188, 130076, 142079, 227633, 284158, 455266, 568316, 629207, 910532, 1258414, 2516828, 4404449, 8808898, 17617796, 21291553, 42583106, 85166212, 149040871, 298081742, 596163484, 660038143, 1320076286, 2640152572, 4620267001, 9240534002, 18481068004]

約数ペア:

[(1, 18481068004), (2, 9240534002), (4, 4620267001), (7, 2640152572), (14, 1320076286), (28, 660038143), (31, 596163484), (62, 298081742), (124, 149040871), (217, 85166212), (434, 42583106), (868, 21291553), (1049, 17617796), (2098, 8808898), (4196, 4404449), (7343, 2516828), (14686, 1258414), (20297, 910532), (29372, 629207), (32519, 568316), (40594, 455266), (65038, 284158), (81188, 227633), (130076, 142079)]