18672885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 42861312

約数和(自身を除く): 24188427

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 33, 35, 45, 51, 55, 63, 77, 85, 99, 105, 119, 153, 165, 187, 231, 255, 315, 317, 357, 385, 495, 561, 595, 693, 765, 935, 951, 1071, 1155, 1309, 1585, 1683, 1785, 2219, 2805, 2853, 3465, 3487, 3927, 4755, 5355, 5389, 6545, 6657, 8415, 10461, 11095, 11781, 14265, 16167, 17435, 19635, 19971, 24409, 26945, 31383, 33285, 37723, 48501, 52305, 58905, 59279, 73227, 80835, 99855, 113169, 122045, 156915, 177837, 188615, 219681, 242505, 296395, 339507, 366135, 414953, 533511, 565845, 889185, 1098405, 1244859, 1697535, 2074765, 2667555, 3734577, 6224295, 18672885]

約数ペア:

[(1, 18672885), (3, 6224295), (5, 3734577), (7, 2667555), (9, 2074765), (11, 1697535), (15, 1244859), (17, 1098405), (21, 889185), (33, 565845), (35, 533511), (45, 414953), (51, 366135), (55, 339507), (63, 296395), (77, 242505), (85, 219681), (99, 188615), (105, 177837), (119, 156915), (153, 122045), (165, 113169), (187, 99855), (231, 80835), (255, 73227), (315, 59279), (317, 58905), (357, 52305), (385, 48501), (495, 37723), (561, 33285), (595, 31383), (693, 26945), (765, 24409), (935, 19971), (951, 19635), (1071, 17435), (1155, 16167), (1309, 14265), (1585, 11781), (1683, 11095), (1785, 10461), (2219, 8415), (2805, 6657), (2853, 6545), (3465, 5389), (3487, 5355), (3927, 4755)]