19702150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1$

素因数の和:1825

約数の個数: 48

約数和(自身を含む): 41809824

約数和(自身を除く): 22107674

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1783, 2210, 3566, 5525, 8915, 11050, 17830, 23179, 30311, 44575, 46358, 60622, 89150, 115895, 151555, 231790, 303110, 394043, 579475, 757775, 788086, 1158950, 1515550, 1970215, 3940430, 9851075, 19702150]

約数ペア:

[(1, 19702150), (2, 9851075), (5, 3940430), (10, 1970215), (13, 1515550), (17, 1158950), (25, 788086), (26, 757775), (34, 579475), (50, 394043), (65, 303110), (85, 231790), (130, 151555), (170, 115895), (221, 89150), (325, 60622), (425, 46358), (442, 44575), (650, 30311), (850, 23179), (1105, 17830), (1783, 11050), (2210, 8915), (3566, 5525)]