18024920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 43912800

約数和(自身を除く): 25887880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 641, 703, 740, 760, 1282, 1406, 1480, 2564, 2812, 3205, 3515, 5128, 5624, 6410, 7030, 12179, 12820, 14060, 23717, 24358, 25640, 28120, 47434, 48716, 60895, 94868, 97432, 118585, 121790, 189736, 237170, 243580, 450623, 474340, 487160, 901246, 948680, 1802492, 2253115, 3604984, 4506230, 9012460, 18024920]

約数ペア:

[(1, 18024920), (2, 9012460), (4, 4506230), (5, 3604984), (8, 2253115), (10, 1802492), (19, 948680), (20, 901246), (37, 487160), (38, 474340), (40, 450623), (74, 243580), (76, 237170), (95, 189736), (148, 121790), (152, 118585), (185, 97432), (190, 94868), (296, 60895), (370, 48716), (380, 47434), (641, 28120), (703, 25640), (740, 24358), (760, 23717), (1282, 14060), (1406, 12820), (1480, 12179), (2564, 7030), (2812, 6410), (3205, 5624), (3515, 5128)]