18772380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 65520000

約数和(自身を除く): 46747620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 499, 570, 627, 660, 684, 836, 855, 990, 998, 1045, 1140, 1254, 1497, 1710, 1881, 1980, 1996, 2090, 2495, 2508, 2994, 3135, 3420, 3762, 4180, 4491, 4990, 5489, 5988, 6270, 7485, 7524, 8982, 9405, 9481, 9980, 10978, 12540, 14970, 16467, 17964, 18810, 18962, 21956, 22455, 27445, 28443, 29940, 32934, 37620, 37924, 44910, 47405, 49401, 54890, 56886, 65868, 82335, 85329, 89820, 94810, 98802, 104291, 109780, 113772, 142215, 164670, 170658, 189620, 197604, 208582, 247005, 284430, 312873, 329340, 341316, 417164, 426645, 494010, 521455, 568860, 625746, 853290, 938619, 988020, 1042910, 1251492, 1564365, 1706580, 1877238, 2085820, 3128730, 3754476, 4693095, 6257460, 9386190, 18772380]

約数ペア:

[(1, 18772380), (2, 9386190), (3, 6257460), (4, 4693095), (5, 3754476), (6, 3128730), (9, 2085820), (10, 1877238), (11, 1706580), (12, 1564365), (15, 1251492), (18, 1042910), (19, 988020), (20, 938619), (22, 853290), (30, 625746), (33, 568860), (36, 521455), (38, 494010), (44, 426645), (45, 417164), (55, 341316), (57, 329340), (60, 312873), (66, 284430), (76, 247005), (90, 208582), (95, 197604), (99, 189620), (110, 170658), (114, 164670), (132, 142215), (165, 113772), (171, 109780), (180, 104291), (190, 98802), (198, 94810), (209, 89820), (220, 85329), (228, 82335), (285, 65868), (330, 56886), (342, 54890), (380, 49401), (396, 47405), (418, 44910), (495, 37924), (499, 37620), (570, 32934), (627, 29940), (660, 28443), (684, 27445), (836, 22455), (855, 21956), (990, 18962), (998, 18810), (1045, 17964), (1140, 16467), (1254, 14970), (1497, 12540), (1710, 10978), (1881, 9980), (1980, 9481), (1996, 9405), (2090, 8982), (2495, 7524), (2508, 7485), (2994, 6270), (3135, 5988), (3420, 5489), (3762, 4990), (4180, 4491)]