18551060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 45505152

約数和(自身を除く): 26954092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 43, 44, 53, 55, 74, 86, 106, 110, 148, 172, 185, 212, 215, 220, 265, 370, 407, 430, 473, 530, 583, 740, 814, 860, 946, 1060, 1166, 1591, 1628, 1892, 1961, 2035, 2279, 2332, 2365, 2915, 3182, 3922, 4070, 4558, 4730, 5830, 6364, 7844, 7955, 8140, 9116, 9460, 9805, 11395, 11660, 15910, 17501, 19610, 21571, 22790, 25069, 31820, 35002, 39220, 43142, 45580, 50138, 70004, 84323, 86284, 87505, 100276, 107855, 125345, 168646, 175010, 215710, 250690, 337292, 350020, 421615, 431420, 501380, 843230, 927553, 1686460, 1855106, 3710212, 4637765, 9275530, 18551060]

約数ペア:

[(1, 18551060), (2, 9275530), (4, 4637765), (5, 3710212), (10, 1855106), (11, 1686460), (20, 927553), (22, 843230), (37, 501380), (43, 431420), (44, 421615), (53, 350020), (55, 337292), (74, 250690), (86, 215710), (106, 175010), (110, 168646), (148, 125345), (172, 107855), (185, 100276), (212, 87505), (215, 86284), (220, 84323), (265, 70004), (370, 50138), (407, 45580), (430, 43142), (473, 39220), (530, 35002), (583, 31820), (740, 25069), (814, 22790), (860, 21571), (946, 19610), (1060, 17501), (1166, 15910), (1591, 11660), (1628, 11395), (1892, 9805), (1961, 9460), (2035, 9116), (2279, 8140), (2332, 7955), (2365, 7844), (2915, 6364), (3182, 5830), (3922, 4730), (4070, 4558)]