18031912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 17953688

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1223, 1843, 2446, 3686, 4892, 7372, 9784, 14744, 23237, 46474, 92948, 118631, 185896, 237262, 474524, 949048, 2253989, 4507978, 9015956, 18031912]

約数ペア:

[(1, 18031912), (2, 9015956), (4, 4507978), (8, 2253989), (19, 949048), (38, 474524), (76, 237262), (97, 185896), (152, 118631), (194, 92948), (388, 46474), (776, 23237), (1223, 14744), (1843, 9784), (2446, 7372), (3686, 4892)]