19855620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2409

約数の個数: 72

約数和(自身を含む): 61536384

約数和(自身を除く): 41680764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2347, 2820, 4230, 4694, 7041, 8460, 9388, 11735, 14082, 21123, 23470, 28164, 35205, 42246, 46940, 70410, 84492, 105615, 110309, 140820, 211230, 220618, 330927, 422460, 441236, 551545, 661854, 992781, 1103090, 1323708, 1654635, 1985562, 2206180, 3309270, 3971124, 4963905, 6618540, 9927810, 19855620]

約数ペア:

[(1, 19855620), (2, 9927810), (3, 6618540), (4, 4963905), (5, 3971124), (6, 3309270), (9, 2206180), (10, 1985562), (12, 1654635), (15, 1323708), (18, 1103090), (20, 992781), (30, 661854), (36, 551545), (45, 441236), (47, 422460), (60, 330927), (90, 220618), (94, 211230), (141, 140820), (180, 110309), (188, 105615), (235, 84492), (282, 70410), (423, 46940), (470, 42246), (564, 35205), (705, 28164), (846, 23470), (940, 21123), (1410, 14082), (1692, 11735), (2115, 9388), (2347, 8460), (2820, 7041), (4230, 4694)]