18348880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:772

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 29862320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 719, 880, 1160, 1276, 1438, 1595, 2320, 2552, 2876, 3190, 3595, 5104, 5752, 6380, 7190, 7909, 11504, 12760, 14380, 15818, 20851, 25520, 28760, 31636, 39545, 41702, 57520, 63272, 79090, 83404, 104255, 126544, 158180, 166808, 208510, 229361, 316360, 333616, 417020, 458722, 632720, 834040, 917444, 1146805, 1668080, 1834888, 2293610, 3669776, 4587220, 9174440, 18348880]

約数ペア:

[(1, 18348880), (2, 9174440), (4, 4587220), (5, 3669776), (8, 2293610), (10, 1834888), (11, 1668080), (16, 1146805), (20, 917444), (22, 834040), (29, 632720), (40, 458722), (44, 417020), (55, 333616), (58, 316360), (80, 229361), (88, 208510), (110, 166808), (116, 158180), (145, 126544), (176, 104255), (220, 83404), (232, 79090), (290, 63272), (319, 57520), (440, 41702), (464, 39545), (580, 31636), (638, 28760), (719, 25520), (880, 20851), (1160, 15818), (1276, 14380), (1438, 12760), (1595, 11504), (2320, 7909), (2552, 7190), (2876, 6380), (3190, 5752), (3595, 5104)]