17919090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 57600000

約数和(自身を除く): 39680910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 499, 513, 570, 630, 665, 798, 855, 945, 998, 1026, 1197, 1330, 1497, 1710, 1890, 1995, 2394, 2495, 2565, 2994, 3493, 3591, 3990, 4491, 4990, 5130, 5985, 6986, 7182, 7485, 8982, 9481, 10479, 11970, 13473, 14970, 17465, 17955, 18962, 20958, 22455, 26946, 28443, 31437, 34930, 35910, 44910, 47405, 52395, 56886, 62874, 66367, 67365, 85329, 94311, 94810, 104790, 132734, 134730, 142215, 157185, 170658, 188622, 199101, 255987, 284430, 314370, 331835, 398202, 426645, 471555, 511974, 597303, 663670, 853290, 943110, 995505, 1194606, 1279935, 1791909, 1991010, 2559870, 2986515, 3583818, 5973030, 8959545, 17919090]

約数ペア:

[(1, 17919090), (2, 8959545), (3, 5973030), (5, 3583818), (6, 2986515), (7, 2559870), (9, 1991010), (10, 1791909), (14, 1279935), (15, 1194606), (18, 995505), (19, 943110), (21, 853290), (27, 663670), (30, 597303), (35, 511974), (38, 471555), (42, 426645), (45, 398202), (54, 331835), (57, 314370), (63, 284430), (70, 255987), (90, 199101), (95, 188622), (105, 170658), (114, 157185), (126, 142215), (133, 134730), (135, 132734), (171, 104790), (189, 94810), (190, 94311), (210, 85329), (266, 67365), (270, 66367), (285, 62874), (315, 56886), (342, 52395), (378, 47405), (399, 44910), (499, 35910), (513, 34930), (570, 31437), (630, 28443), (665, 26946), (798, 22455), (855, 20958), (945, 18962), (998, 17955), (1026, 17465), (1197, 14970), (1330, 13473), (1497, 11970), (1710, 10479), (1890, 9481), (1995, 8982), (2394, 7485), (2495, 7182), (2565, 6986), (2994, 5985), (3493, 5130), (3591, 4990), (3990, 4491)]