19551978

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 25263702

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 83, 138, 166, 207, 249, 414, 498, 569, 747, 1138, 1494, 1707, 1909, 3414, 3818, 5121, 5727, 10242, 11454, 13087, 17181, 26174, 34362, 39261, 47227, 78522, 94454, 117783, 141681, 235566, 283362, 425043, 850086, 1086221, 2172442, 3258663, 6517326, 9775989, 19551978]

約数ペア:

[(1, 19551978), (2, 9775989), (3, 6517326), (6, 3258663), (9, 2172442), (18, 1086221), (23, 850086), (46, 425043), (69, 283362), (83, 235566), (138, 141681), (166, 117783), (207, 94454), (249, 78522), (414, 47227), (498, 39261), (569, 34362), (747, 26174), (1138, 17181), (1494, 13087), (1707, 11454), (1909, 10242), (3414, 5727), (3818, 5121)]