19778010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1777}}^1$

素因数の和:1847

約数の個数: 64

約数和(自身を含む): 55302912

約数和(自身を除く): 35524902

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1777, 1855, 2226, 3554, 3710, 5331, 5565, 8885, 10662, 11130, 12439, 17770, 24878, 26655, 37317, 53310, 62195, 74634, 94181, 124390, 186585, 188362, 282543, 373170, 470905, 565086, 659267, 941810, 1318534, 1412715, 1977801, 2825430, 3296335, 3955602, 6592670, 9889005, 19778010]

約数ペア:

[(1, 19778010), (2, 9889005), (3, 6592670), (5, 3955602), (6, 3296335), (7, 2825430), (10, 1977801), (14, 1412715), (15, 1318534), (21, 941810), (30, 659267), (35, 565086), (42, 470905), (53, 373170), (70, 282543), (105, 188362), (106, 186585), (159, 124390), (210, 94181), (265, 74634), (318, 62195), (371, 53310), (530, 37317), (742, 26655), (795, 24878), (1113, 17770), (1590, 12439), (1777, 11130), (1855, 10662), (2226, 8885), (3554, 5565), (3710, 5331)]