18617920

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:887

約数の個数: 56

約数和(自身を含む): 44997624

約数和(自身を除く): 26379704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 730, 797, 1168, 1460, 1594, 2336, 2920, 3188, 3985, 4672, 5840, 6376, 7970, 11680, 12752, 15940, 23360, 25504, 31880, 51008, 58181, 63760, 116362, 127520, 232724, 255040, 290905, 465448, 581810, 930896, 1163620, 1861792, 2327240, 3723584, 4654480, 9308960, 18617920]

約数ペア:

[(1, 18617920), (2, 9308960), (4, 4654480), (5, 3723584), (8, 2327240), (10, 1861792), (16, 1163620), (20, 930896), (32, 581810), (40, 465448), (64, 290905), (73, 255040), (80, 232724), (146, 127520), (160, 116362), (292, 63760), (320, 58181), (365, 51008), (584, 31880), (730, 25504), (797, 23360), (1168, 15940), (1460, 12752), (1594, 11680), (2336, 7970), (2920, 6376), (3188, 5840), (3985, 4672)]