19006925990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{505907}}^1$

素因数の和:505961

約数の個数: 48

約数和(自身を含む): 39139066512

約数和(自身を除く): 20132140522

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 1105, 1445, 2210, 2890, 3757, 7514, 18785, 37570, 505907, 1011814, 2529535, 5059070, 6576791, 8600419, 13153582, 17200838, 32883955, 43002095, 65767910, 86004190, 111805447, 146207123, 223610894, 292414246, 559027235, 731035615, 1118054470, 1462071230, 1900692599, 3801385198, 9503462995, 19006925990]

約数ペア:

[(1, 19006925990), (2, 9503462995), (5, 3801385198), (10, 1900692599), (13, 1462071230), (17, 1118054470), (26, 731035615), (34, 559027235), (65, 292414246), (85, 223610894), (130, 146207123), (170, 111805447), (221, 86004190), (289, 65767910), (442, 43002095), (578, 32883955), (1105, 17200838), (1445, 13153582), (2210, 8600419), (2890, 6576791), (3757, 5059070), (7514, 2529535), (18785, 1011814), (37570, 505907)]