18844291228

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1217017}}^1$

素因数の和:1217114

約数の個数: 36

約数和(自身を含む): 38847214560

約数和(自身を除く): 20002923332

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 3871, 7742, 15484, 1217017, 2434034, 4868068, 8519119, 17038238, 34076476, 59633833, 96144343, 119267666, 192288686, 238535332, 384577372, 673010401, 1346020802, 2692041604, 4711072807, 9422145614, 18844291228]

約数ペア:

[(1, 18844291228), (2, 9422145614), (4, 4711072807), (7, 2692041604), (14, 1346020802), (28, 673010401), (49, 384577372), (79, 238535332), (98, 192288686), (158, 119267666), (196, 96144343), (316, 59633833), (553, 34076476), (1106, 17038238), (2212, 8519119), (3871, 4868068), (7742, 2434034), (15484, 1217017)]