19417790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3907}}^1$

素因数の和:3992

約数の個数: 32

約数和(自身を含む): 40518144

約数和(自身を除く): 21100354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 3907, 4970, 7814, 19535, 27349, 39070, 54698, 136745, 273490, 277397, 554794, 1386985, 1941779, 2773970, 3883558, 9708895, 19417790]

約数ペア:

[(1, 19417790), (2, 9708895), (5, 3883558), (7, 2773970), (10, 1941779), (14, 1386985), (35, 554794), (70, 277397), (71, 273490), (142, 136745), (355, 54698), (497, 39070), (710, 27349), (994, 19535), (2485, 7814), (3907, 4970)]