18573880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1600

約数の個数: 64

約数和(自身を含む): 46992960

約数和(自身を除く): 28419080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1553, 2392, 2990, 3106, 5980, 6212, 7765, 11960, 12424, 15530, 20189, 31060, 35719, 40378, 62120, 71438, 80756, 100945, 142876, 161512, 178595, 201890, 285752, 357190, 403780, 464347, 714380, 807560, 928694, 1428760, 1857388, 2321735, 3714776, 4643470, 9286940, 18573880]

約数ペア:

[(1, 18573880), (2, 9286940), (4, 4643470), (5, 3714776), (8, 2321735), (10, 1857388), (13, 1428760), (20, 928694), (23, 807560), (26, 714380), (40, 464347), (46, 403780), (52, 357190), (65, 285752), (92, 201890), (104, 178595), (115, 161512), (130, 142876), (184, 100945), (230, 80756), (260, 71438), (299, 62120), (460, 40378), (520, 35719), (598, 31060), (920, 20189), (1196, 15530), (1495, 12424), (1553, 11960), (2392, 7765), (2990, 6212), (3106, 5980)]