18569720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 47038320

約数和(自身を除く): 28468600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 67, 82, 104, 130, 134, 164, 169, 205, 260, 268, 328, 335, 338, 410, 520, 533, 536, 670, 676, 820, 845, 871, 1066, 1340, 1352, 1640, 1690, 1742, 2132, 2665, 2680, 2747, 3380, 3484, 4264, 4355, 5330, 5494, 6760, 6929, 6968, 8710, 10660, 10988, 11323, 13735, 13858, 17420, 21320, 21976, 22646, 27470, 27716, 34645, 34840, 35711, 45292, 54940, 55432, 56615, 69290, 71422, 90584, 109880, 113230, 138580, 142844, 178555, 226460, 277160, 285688, 357110, 452920, 464243, 714220, 928486, 1428440, 1856972, 2321215, 3713944, 4642430, 9284860, 18569720]

約数ペア:

[(1, 18569720), (2, 9284860), (4, 4642430), (5, 3713944), (8, 2321215), (10, 1856972), (13, 1428440), (20, 928486), (26, 714220), (40, 464243), (41, 452920), (52, 357110), (65, 285688), (67, 277160), (82, 226460), (104, 178555), (130, 142844), (134, 138580), (164, 113230), (169, 109880), (205, 90584), (260, 71422), (268, 69290), (328, 56615), (335, 55432), (338, 54940), (410, 45292), (520, 35711), (533, 34840), (536, 34645), (670, 27716), (676, 27470), (820, 22646), (845, 21976), (871, 21320), (1066, 17420), (1340, 13858), (1352, 13735), (1640, 11323), (1690, 10988), (1742, 10660), (2132, 8710), (2665, 6968), (2680, 6929), (2747, 6760), (3380, 5494), (3484, 5330), (4264, 4355)]