17984952

素因数分解:

$2^3\times 3^2\times {\mathrm{439}}^1\times {\mathrm{569}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 48906000

約数和(自身を除く): 30921048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 439, 569, 878, 1138, 1317, 1707, 1756, 2276, 2634, 3414, 3512, 3951, 4552, 5121, 5268, 6828, 7902, 10242, 10536, 13656, 15804, 20484, 31608, 40968, 249791, 499582, 749373, 999164, 1498746, 1998328, 2248119, 2997492, 4496238, 5994984, 8992476, 17984952]

約数ペア:

[(1, 17984952), (2, 8992476), (3, 5994984), (4, 4496238), (6, 2997492), (8, 2248119), (9, 1998328), (12, 1498746), (18, 999164), (24, 749373), (36, 499582), (72, 249791), (439, 40968), (569, 31608), (878, 20484), (1138, 15804), (1317, 13656), (1707, 10536), (1756, 10242), (2276, 7902), (2634, 6828), (3414, 5268), (3512, 5121), (3951, 4552)]