18561620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:753

約数の個数: 96

約数和(自身を含む): 51528960

約数和(自身を除く): 32967340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 709, 748, 770, 935, 1190, 1309, 1418, 1540, 1870, 2380, 2618, 2836, 3545, 3740, 4963, 5236, 6545, 7090, 7799, 9926, 12053, 13090, 14180, 15598, 19852, 24106, 24815, 26180, 31196, 38995, 48212, 49630, 54593, 60265, 77990, 84371, 99260, 109186, 120530, 132583, 155980, 168742, 218372, 241060, 265166, 272965, 337484, 421855, 530332, 545930, 662915, 843710, 928081, 1091860, 1325830, 1687420, 1856162, 2651660, 3712324, 4640405, 9280810, 18561620]

約数ペア:

[(1, 18561620), (2, 9280810), (4, 4640405), (5, 3712324), (7, 2651660), (10, 1856162), (11, 1687420), (14, 1325830), (17, 1091860), (20, 928081), (22, 843710), (28, 662915), (34, 545930), (35, 530332), (44, 421855), (55, 337484), (68, 272965), (70, 265166), (77, 241060), (85, 218372), (110, 168742), (119, 155980), (140, 132583), (154, 120530), (170, 109186), (187, 99260), (220, 84371), (238, 77990), (308, 60265), (340, 54593), (374, 49630), (385, 48212), (476, 38995), (595, 31196), (709, 26180), (748, 24815), (770, 24106), (935, 19852), (1190, 15598), (1309, 14180), (1418, 13090), (1540, 12053), (1870, 9926), (2380, 7799), (2618, 7090), (2836, 6545), (3545, 5236), (3740, 4963)]