17961915742

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1\times {\mathrm{1597}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 27492631200

約数和(自身を除く): 9530715458

約数列:

[1, 2, 89, 178, 179, 353, 358, 706, 1597, 3194, 15931, 31417, 31862, 62834, 63187, 126374, 142133, 284266, 285863, 563741, 571726, 1127482, 5623643, 11247286, 25441807, 50172949, 50883614, 100345898, 100909639, 201819278, 8980957871, 17961915742]

約数ペア:

[(1, 17961915742), (2, 8980957871), (89, 201819278), (178, 100909639), (179, 100345898), (353, 50883614), (358, 50172949), (706, 25441807), (1597, 11247286), (3194, 5623643), (15931, 1127482), (31417, 571726), (31862, 563741), (62834, 285863), (63187, 284266), (126374, 142133)]