18926240

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 29336800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 74, 80, 92, 115, 139, 148, 160, 184, 185, 230, 278, 296, 368, 370, 460, 556, 592, 695, 736, 740, 851, 920, 1112, 1184, 1390, 1480, 1702, 1840, 2224, 2780, 2960, 3197, 3404, 3680, 4255, 4448, 5143, 5560, 5920, 6394, 6808, 8510, 10286, 11120, 12788, 13616, 15985, 17020, 20572, 22240, 25576, 25715, 27232, 31970, 34040, 41144, 51152, 51430, 63940, 68080, 82288, 102304, 102860, 118289, 127880, 136160, 164576, 205720, 236578, 255760, 411440, 473156, 511520, 591445, 822880, 946312, 1182890, 1892624, 2365780, 3785248, 4731560, 9463120, 18926240]

約数ペア:

[(1, 18926240), (2, 9463120), (4, 4731560), (5, 3785248), (8, 2365780), (10, 1892624), (16, 1182890), (20, 946312), (23, 822880), (32, 591445), (37, 511520), (40, 473156), (46, 411440), (74, 255760), (80, 236578), (92, 205720), (115, 164576), (139, 136160), (148, 127880), (160, 118289), (184, 102860), (185, 102304), (230, 82288), (278, 68080), (296, 63940), (368, 51430), (370, 51152), (460, 41144), (556, 34040), (592, 31970), (695, 27232), (736, 25715), (740, 25576), (851, 22240), (920, 20572), (1112, 17020), (1184, 15985), (1390, 13616), (1480, 12788), (1702, 11120), (1840, 10286), (2224, 8510), (2780, 6808), (2960, 6394), (3197, 5920), (3404, 5560), (3680, 5143), (4255, 4448)]