18502380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7907}}^1$

素因数の和:7935

約数の個数: 72

約数和(自身を含む): 60448752

約数和(自身を除く): 41946372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7907, 15814, 23721, 31628, 39535, 47442, 71163, 79070, 94884, 102791, 118605, 142326, 158140, 205582, 237210, 284652, 308373, 355815, 411164, 474420, 513955, 616746, 711630, 925119, 1027910, 1233492, 1423260, 1541865, 1850238, 2055820, 3083730, 3700476, 4625595, 6167460, 9251190, 18502380]

約数ペア:

[(1, 18502380), (2, 9251190), (3, 6167460), (4, 4625595), (5, 3700476), (6, 3083730), (9, 2055820), (10, 1850238), (12, 1541865), (13, 1423260), (15, 1233492), (18, 1027910), (20, 925119), (26, 711630), (30, 616746), (36, 513955), (39, 474420), (45, 411164), (52, 355815), (60, 308373), (65, 284652), (78, 237210), (90, 205582), (117, 158140), (130, 142326), (156, 118605), (180, 102791), (195, 94884), (234, 79070), (260, 71163), (390, 47442), (468, 39535), (585, 31628), (780, 23721), (1170, 15814), (2340, 7907)]