20154446536

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18942149}}^1$

素因数の和:18942181

約数の個数: 32

約数和(自身を含む): 45461160000

約数和(自身を除く): 25306713464

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18942149, 37884298, 75768596, 132595043, 151537192, 265190086, 359900831, 530380172, 719801662, 1060760344, 1439603324, 2519305817, 2879206648, 5038611634, 10077223268, 20154446536]

約数ペア:

[(1, 20154446536), (2, 10077223268), (4, 5038611634), (7, 2879206648), (8, 2519305817), (14, 1439603324), (19, 1060760344), (28, 719801662), (38, 530380172), (56, 359900831), (76, 265190086), (133, 151537192), (152, 132595043), (266, 75768596), (532, 37884298), (1064, 18942149)]