19518744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 36606696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 223, 446, 521, 669, 892, 1042, 1338, 1561, 1563, 1784, 2084, 2676, 3122, 3126, 3647, 4168, 4683, 5352, 6244, 6252, 7294, 9366, 10941, 12488, 12504, 14588, 18732, 21882, 29176, 37464, 43764, 87528, 116183, 232366, 348549, 464732, 697098, 813281, 929464, 1394196, 1626562, 2439843, 2788392, 3253124, 4879686, 6506248, 9759372, 19518744]

約数ペア:

[(1, 19518744), (2, 9759372), (3, 6506248), (4, 4879686), (6, 3253124), (7, 2788392), (8, 2439843), (12, 1626562), (14, 1394196), (21, 929464), (24, 813281), (28, 697098), (42, 464732), (56, 348549), (84, 232366), (168, 116183), (223, 87528), (446, 43764), (521, 37464), (669, 29176), (892, 21882), (1042, 18732), (1338, 14588), (1561, 12504), (1563, 12488), (1784, 10941), (2084, 9366), (2676, 7294), (3122, 6252), (3126, 6244), (3647, 5352), (4168, 4683)]