19543460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13763}}^1$

素因数の和:13843

約数の個数: 24

約数和(自身を含む): 41622336

約数和(自身を除く): 22078876

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13763, 27526, 55052, 68815, 137630, 275260, 977173, 1954346, 3908692, 4885865, 9771730, 19543460]

約数ペア:

[(1, 19543460), (2, 9771730), (4, 4885865), (5, 3908692), (10, 1954346), (20, 977173), (71, 275260), (142, 137630), (284, 68815), (355, 55052), (710, 27526), (1420, 13763)]