19536860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2633}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 47791296

約数和(自身を除く): 28254436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2633, 3710, 5266, 7420, 10532, 13165, 18431, 26330, 36862, 52660, 73724, 92155, 139549, 184310, 279098, 368620, 558196, 697745, 976843, 1395490, 1953686, 2790980, 3907372, 4884215, 9768430, 19536860]

約数ペア:

[(1, 19536860), (2, 9768430), (4, 4884215), (5, 3907372), (7, 2790980), (10, 1953686), (14, 1395490), (20, 976843), (28, 697745), (35, 558196), (53, 368620), (70, 279098), (106, 184310), (140, 139549), (212, 92155), (265, 73724), (371, 52660), (530, 36862), (742, 26330), (1060, 18431), (1484, 13165), (1855, 10532), (2633, 7420), (3710, 5266)]