19804616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3593}}^1$

素因数の和:3665

約数の個数: 32

約数和(自身を含む): 40755960

約数和(自身を除く): 20951344

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3593, 5512, 7186, 14372, 28744, 46709, 93418, 186836, 190429, 373672, 380858, 761716, 1523432, 2475577, 4951154, 9902308, 19804616]

約数ペア:

[(1, 19804616), (2, 9902308), (4, 4951154), (8, 2475577), (13, 1523432), (26, 761716), (52, 380858), (53, 373672), (104, 190429), (106, 186836), (212, 93418), (424, 46709), (689, 28744), (1378, 14372), (2756, 7186), (3593, 5512)]