19746840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2083}}^1$

素因数の和:2176

約数の個数: 64

約数和(自身を含む): 60019200

約数和(自身を除く): 40272360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2083, 2370, 3160, 4166, 4740, 6249, 8332, 9480, 10415, 12498, 16664, 20830, 24996, 31245, 41660, 49992, 62490, 83320, 124980, 164557, 249960, 329114, 493671, 658228, 822785, 987342, 1316456, 1645570, 1974684, 2468355, 3291140, 3949368, 4936710, 6582280, 9873420, 19746840]

約数ペア:

[(1, 19746840), (2, 9873420), (3, 6582280), (4, 4936710), (5, 3949368), (6, 3291140), (8, 2468355), (10, 1974684), (12, 1645570), (15, 1316456), (20, 987342), (24, 822785), (30, 658228), (40, 493671), (60, 329114), (79, 249960), (120, 164557), (158, 124980), (237, 83320), (316, 62490), (395, 49992), (474, 41660), (632, 31245), (790, 24996), (948, 20830), (1185, 16664), (1580, 12498), (1896, 10415), (2083, 9480), (2370, 8332), (3160, 6249), (4166, 4740)]