18901740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2239

約数の個数: 96

約数和(自身を含む): 62205696

約数和(自身を除く): 43303956

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2203, 2860, 4290, 4406, 6609, 8580, 8812, 11015, 13218, 22030, 24233, 26436, 28639, 33045, 44060, 48466, 57278, 66090, 72699, 85917, 96932, 114556, 121165, 132180, 143195, 145398, 171834, 242330, 286390, 290796, 315029, 343668, 363495, 429585, 484660, 572780, 630058, 726990, 859170, 945087, 1260116, 1453980, 1575145, 1718340, 1890174, 3150290, 3780348, 4725435, 6300580, 9450870, 18901740]

約数ペア:

[(1, 18901740), (2, 9450870), (3, 6300580), (4, 4725435), (5, 3780348), (6, 3150290), (10, 1890174), (11, 1718340), (12, 1575145), (13, 1453980), (15, 1260116), (20, 945087), (22, 859170), (26, 726990), (30, 630058), (33, 572780), (39, 484660), (44, 429585), (52, 363495), (55, 343668), (60, 315029), (65, 290796), (66, 286390), (78, 242330), (110, 171834), (130, 145398), (132, 143195), (143, 132180), (156, 121165), (165, 114556), (195, 96932), (220, 85917), (260, 72699), (286, 66090), (330, 57278), (390, 48466), (429, 44060), (572, 33045), (660, 28639), (715, 26436), (780, 24233), (858, 22030), (1430, 13218), (1716, 11015), (2145, 8812), (2203, 8580), (2860, 6609), (4290, 4406)]