19880370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2584

約数の個数: 64

約数和(自身を含む): 54864000

約数和(自身を除く): 34983630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2539, 2610, 3915, 5078, 7617, 7830, 12695, 15234, 22851, 25390, 38085, 45702, 68553, 73631, 76170, 114255, 137106, 147262, 220893, 228510, 342765, 368155, 441786, 662679, 685530, 736310, 1104465, 1325358, 1988037, 2208930, 3313395, 3976074, 6626790, 9940185, 19880370]

約数ペア:

[(1, 19880370), (2, 9940185), (3, 6626790), (5, 3976074), (6, 3313395), (9, 2208930), (10, 1988037), (15, 1325358), (18, 1104465), (27, 736310), (29, 685530), (30, 662679), (45, 441786), (54, 368155), (58, 342765), (87, 228510), (90, 220893), (135, 147262), (145, 137106), (174, 114255), (261, 76170), (270, 73631), (290, 68553), (435, 45702), (522, 38085), (783, 25390), (870, 22851), (1305, 15234), (1566, 12695), (2539, 7830), (2610, 7617), (3915, 5078)]