19760580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15683}}^1$

素因数の和:15705

約数の個数: 72

約数和(自身を含む): 68507712

約数和(自身を除く): 48747132

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, 15683, 31366, 47049, 62732, 78415, 94098, 109781, 141147, 156830, 188196, 219562, 235245, 282294, 313660, 329343, 439124, 470490, 548905, 564588, 658686, 705735, 940980, 988029, 1097810, 1317372, 1411470, 1646715, 1976058, 2195620, 2822940, 3293430, 3952116, 4940145, 6586860, 9880290, 19760580]

約数ペア:

[(1, 19760580), (2, 9880290), (3, 6586860), (4, 4940145), (5, 3952116), (6, 3293430), (7, 2822940), (9, 2195620), (10, 1976058), (12, 1646715), (14, 1411470), (15, 1317372), (18, 1097810), (20, 988029), (21, 940980), (28, 705735), (30, 658686), (35, 564588), (36, 548905), (42, 470490), (45, 439124), (60, 329343), (63, 313660), (70, 282294), (84, 235245), (90, 219562), (105, 188196), (126, 156830), (140, 141147), (180, 109781), (210, 94098), (252, 78415), (315, 62732), (420, 47049), (630, 31366), (1260, 15683)]