18190880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27532000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 59, 80, 82, 94, 118, 160, 164, 188, 205, 235, 236, 295, 328, 376, 410, 470, 472, 590, 656, 752, 820, 940, 944, 1180, 1312, 1504, 1640, 1880, 1888, 1927, 2360, 2419, 2773, 3280, 3760, 3854, 4720, 4838, 5546, 6560, 7520, 7708, 9440, 9635, 9676, 11092, 12095, 13865, 15416, 19270, 19352, 22184, 24190, 27730, 30832, 38540, 38704, 44368, 48380, 55460, 61664, 77080, 77408, 88736, 96760, 110920, 113693, 154160, 193520, 221840, 227386, 308320, 387040, 443680, 454772, 568465, 909544, 1136930, 1819088, 2273860, 3638176, 4547720, 9095440, 18190880]

約数ペア:

[(1, 18190880), (2, 9095440), (4, 4547720), (5, 3638176), (8, 2273860), (10, 1819088), (16, 1136930), (20, 909544), (32, 568465), (40, 454772), (41, 443680), (47, 387040), (59, 308320), (80, 227386), (82, 221840), (94, 193520), (118, 154160), (160, 113693), (164, 110920), (188, 96760), (205, 88736), (235, 77408), (236, 77080), (295, 61664), (328, 55460), (376, 48380), (410, 44368), (470, 38704), (472, 38540), (590, 30832), (656, 27730), (752, 24190), (820, 22184), (940, 19352), (944, 19270), (1180, 15416), (1312, 13865), (1504, 12095), (1640, 11092), (1880, 9676), (1888, 9635), (1927, 9440), (2360, 7708), (2419, 7520), (2773, 6560), (3280, 5546), (3760, 4838), (3854, 4720)]