18753420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44651}}^1$

素因数の和:44670

約数の個数: 48

約数和(自身を含む): 60012288

約数和(自身を除く): 41258868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44651, 89302, 133953, 178604, 223255, 267906, 312557, 446510, 535812, 625114, 669765, 893020, 937671, 1250228, 1339530, 1562785, 1875342, 2679060, 3125570, 3750684, 4688355, 6251140, 9376710, 18753420]

約数ペア:

[(1, 18753420), (2, 9376710), (3, 6251140), (4, 4688355), (5, 3750684), (6, 3125570), (7, 2679060), (10, 1875342), (12, 1562785), (14, 1339530), (15, 1250228), (20, 937671), (21, 893020), (28, 669765), (30, 625114), (35, 535812), (42, 446510), (60, 312557), (70, 267906), (84, 223255), (105, 178604), (140, 133953), (210, 89302), (420, 44651)]