19684140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46867}}^1$

素因数の和:46886

約数の個数: 48

約数和(自身を含む): 62990592

約数和(自身を除く): 43306452

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, 46867, 93734, 140601, 187468, 234335, 281202, 328069, 468670, 562404, 656138, 703005, 937340, 984207, 1312276, 1406010, 1640345, 1968414, 2812020, 3280690, 3936828, 4921035, 6561380, 9842070, 19684140]

約数ペア:

[(1, 19684140), (2, 9842070), (3, 6561380), (4, 4921035), (5, 3936828), (6, 3280690), (7, 2812020), (10, 1968414), (12, 1640345), (14, 1406010), (15, 1312276), (20, 984207), (21, 937340), (28, 703005), (30, 656138), (35, 562404), (42, 468670), (60, 328069), (70, 281202), (84, 234335), (105, 187468), (140, 140601), (210, 93734), (420, 46867)]