18562700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 44111760

約数和(自身を除く): 25549060

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 130, 131, 218, 260, 262, 325, 436, 524, 545, 650, 655, 1090, 1300, 1310, 1417, 1703, 2180, 2620, 2725, 2834, 3275, 3406, 5450, 5668, 6550, 6812, 7085, 8515, 10900, 13100, 14170, 14279, 17030, 28340, 28558, 34060, 35425, 42575, 57116, 70850, 71395, 85150, 141700, 142790, 170300, 185627, 285580, 356975, 371254, 713950, 742508, 928135, 1427900, 1856270, 3712540, 4640675, 9281350, 18562700]

約数ペア:

[(1, 18562700), (2, 9281350), (4, 4640675), (5, 3712540), (10, 1856270), (13, 1427900), (20, 928135), (25, 742508), (26, 713950), (50, 371254), (52, 356975), (65, 285580), (100, 185627), (109, 170300), (130, 142790), (131, 141700), (218, 85150), (260, 71395), (262, 70850), (325, 57116), (436, 42575), (524, 35425), (545, 34060), (650, 28558), (655, 28340), (1090, 17030), (1300, 14279), (1310, 14170), (1417, 13100), (1703, 10900), (2180, 8515), (2620, 7085), (2725, 6812), (2834, 6550), (3275, 5668), (3406, 5450)]