18967520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:868

約数の個数: 96

約数和(自身を含む): 52708320

約数和(自身を除く): 33740800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 829, 880, 1040, 1144, 1430, 1658, 1760, 2080, 2288, 2860, 3316, 4145, 4576, 5720, 6632, 8290, 9119, 10777, 11440, 13264, 16580, 18238, 21554, 22880, 26528, 33160, 36476, 43108, 45595, 53885, 66320, 72952, 86216, 91190, 107770, 118547, 132640, 145904, 172432, 182380, 215540, 237094, 291808, 344864, 364760, 431080, 474188, 592735, 729520, 862160, 948376, 1185470, 1459040, 1724320, 1896752, 2370940, 3793504, 4741880, 9483760, 18967520]

約数ペア:

[(1, 18967520), (2, 9483760), (4, 4741880), (5, 3793504), (8, 2370940), (10, 1896752), (11, 1724320), (13, 1459040), (16, 1185470), (20, 948376), (22, 862160), (26, 729520), (32, 592735), (40, 474188), (44, 431080), (52, 364760), (55, 344864), (65, 291808), (80, 237094), (88, 215540), (104, 182380), (110, 172432), (130, 145904), (143, 132640), (160, 118547), (176, 107770), (208, 91190), (220, 86216), (260, 72952), (286, 66320), (352, 53885), (416, 45595), (440, 43108), (520, 36476), (572, 33160), (715, 26528), (829, 22880), (880, 21554), (1040, 18238), (1144, 16580), (1430, 13264), (1658, 11440), (1760, 10777), (2080, 9119), (2288, 8290), (2860, 6632), (3316, 5720), (4145, 4576)]