19821060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15731}}^1$

素因数の和:15753

約数の個数: 72

約数和(自身を含む): 68717376

約数和(自身を除く): 48896316

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15731, 31462, 47193, 62924, 78655, 94386, 110117, 141579, 157310, 188772, 220234, 235965, 283158, 314620, 330351, 440468, 471930, 550585, 566316, 660702, 707895, 943860, 991053, 1101170, 1321404, 1415790, 1651755, 1982106, 2202340, 2831580, 3303510, 3964212, 4955265, 6607020, 9910530, 19821060]

約数ペア:

[(1, 19821060), (2, 9910530), (3, 6607020), (4, 4955265), (5, 3964212), (6, 3303510), (7, 2831580), (9, 2202340), (10, 1982106), (12, 1651755), (14, 1415790), (15, 1321404), (18, 1101170), (20, 991053), (21, 943860), (28, 707895), (30, 660702), (35, 566316), (36, 550585), (42, 471930), (45, 440468), (60, 330351), (63, 314620), (70, 283158), (84, 235965), (90, 220234), (105, 188772), (126, 157310), (140, 141579), (180, 110117), (210, 94386), (252, 78655), (315, 62924), (420, 47193), (630, 31462), (1260, 15731)]