18423680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2617}}^1$

素因数の和:2647

約数の個数: 64

約数和(自身を含む): 48066480

約数和(自身を除く): 29642800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2617, 3520, 5234, 7040, 10468, 13085, 20936, 26170, 28787, 41872, 52340, 57574, 83744, 104680, 115148, 143935, 167488, 209360, 230296, 287870, 334976, 418720, 460592, 575740, 837440, 921184, 1151480, 1674880, 1842368, 2302960, 3684736, 4605920, 9211840, 18423680]

約数ペア:

[(1, 18423680), (2, 9211840), (4, 4605920), (5, 3684736), (8, 2302960), (10, 1842368), (11, 1674880), (16, 1151480), (20, 921184), (22, 837440), (32, 575740), (40, 460592), (44, 418720), (55, 334976), (64, 287870), (80, 230296), (88, 209360), (110, 167488), (128, 143935), (160, 115148), (176, 104680), (220, 83744), (320, 57574), (352, 52340), (440, 41872), (640, 28787), (704, 26170), (880, 20936), (1408, 13085), (1760, 10468), (2617, 7040), (3520, 5234)]