18520020990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{523}}^1\times {\mathrm{773}}^1$

素因数の和:1818

約数の個数: 96

約数和(自身を含む): 48401439840

約数和(自身を除く): 29881418850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 509, 523, 773, 1018, 1046, 1527, 1546, 1569, 2319, 2545, 2615, 3054, 3138, 3865, 4581, 4638, 4707, 5090, 5230, 6957, 7635, 7730, 7845, 9162, 9414, 11595, 13914, 15270, 15690, 22905, 23190, 23535, 34785, 45810, 47070, 69570, 266207, 393457, 404279, 532414, 786914, 798621, 808558, 1180371, 1212837, 1331035, 1597242, 1967285, 2021395, 2360742, 2395863, 2425674, 2662070, 3541113, 3638511, 3934570, 3993105, 4042790, 4791726, 5901855, 6064185, 7082226, 7277022, 7986210, 11803710, 11979315, 12128370, 17705565, 18192555, 23958630, 35411130, 36385110, 205778011, 411556022, 617334033, 1028890055, 1234668066, 1852002099, 2057780110, 3086670165, 3704004198, 6173340330, 9260010495, 18520020990]

約数ペア:

[(1, 18520020990), (2, 9260010495), (3, 6173340330), (5, 3704004198), (6, 3086670165), (9, 2057780110), (10, 1852002099), (15, 1234668066), (18, 1028890055), (30, 617334033), (45, 411556022), (90, 205778011), (509, 36385110), (523, 35411130), (773, 23958630), (1018, 18192555), (1046, 17705565), (1527, 12128370), (1546, 11979315), (1569, 11803710), (2319, 7986210), (2545, 7277022), (2615, 7082226), (3054, 6064185), (3138, 5901855), (3865, 4791726), (4581, 4042790), (4638, 3993105), (4707, 3934570), (5090, 3638511), (5230, 3541113), (6957, 2662070), (7635, 2425674), (7730, 2395863), (7845, 2360742), (9162, 2021395), (9414, 1967285), (11595, 1597242), (13914, 1331035), (15270, 1212837), (15690, 1180371), (22905, 808558), (23190, 798621), (23535, 786914), (34785, 532414), (45810, 404279), (47070, 393457), (69570, 266207)]