18495516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2237}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 47373984

約数和(自身を除く): 28878468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2237, 2756, 4134, 4474, 6711, 8268, 8948, 13422, 26844, 29081, 58162, 87243, 116324, 118561, 174486, 237122, 348972, 355683, 474244, 711366, 1422732, 1541293, 3082586, 4623879, 6165172, 9247758, 18495516]

約数ペア:

[(1, 18495516), (2, 9247758), (3, 6165172), (4, 4623879), (6, 3082586), (12, 1541293), (13, 1422732), (26, 711366), (39, 474244), (52, 355683), (53, 348972), (78, 237122), (106, 174486), (156, 118561), (159, 116324), (212, 87243), (318, 58162), (636, 29081), (689, 26844), (1378, 13422), (2067, 8948), (2237, 8268), (2756, 6711), (4134, 4474)]