18427040

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 45452988

約数和(自身を除く): 27025948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 53, 80, 82, 106, 160, 164, 205, 212, 265, 328, 410, 424, 530, 656, 820, 848, 1060, 1312, 1640, 1696, 2120, 2173, 2809, 3280, 4240, 4346, 5618, 6560, 8480, 8692, 10865, 11236, 14045, 17384, 21730, 22472, 28090, 34768, 43460, 44944, 56180, 69536, 86920, 89888, 112360, 115169, 173840, 224720, 230338, 347680, 449440, 460676, 575845, 921352, 1151690, 1842704, 2303380, 3685408, 4606760, 9213520, 18427040]

約数ペア:

[(1, 18427040), (2, 9213520), (4, 4606760), (5, 3685408), (8, 2303380), (10, 1842704), (16, 1151690), (20, 921352), (32, 575845), (40, 460676), (41, 449440), (53, 347680), (80, 230338), (82, 224720), (106, 173840), (160, 115169), (164, 112360), (205, 89888), (212, 86920), (265, 69536), (328, 56180), (410, 44944), (424, 43460), (530, 34768), (656, 28090), (820, 22472), (848, 21730), (1060, 17384), (1312, 14045), (1640, 11236), (1696, 10865), (2120, 8692), (2173, 8480), (2809, 6560), (3280, 5618), (4240, 4346)]