18883622410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 35369892864

約数和(自身を除く): 16486270454

約数列:

[1, 2, 5, 10, 31, 62, 155, 257, 310, 421, 514, 563, 842, 1126, 1285, 2105, 2570, 2815, 4210, 5630, 7967, 13051, 15934, 17453, 26102, 34906, 39835, 65255, 79670, 87265, 108197, 130510, 144691, 174530, 216394, 237023, 289382, 474046, 540985, 723455, 1081970, 1185115, 1446910, 2370230, 3354107, 4485421, 6708214, 7347713, 8970842, 14695426, 16770535, 22427105, 33541070, 36738565, 44854210, 60914911, 73477130, 121829822, 304574555, 609149110, 1888362241, 3776724482, 9441811205, 18883622410]

約数ペア:

[(1, 18883622410), (2, 9441811205), (5, 3776724482), (10, 1888362241), (31, 609149110), (62, 304574555), (155, 121829822), (257, 73477130), (310, 60914911), (421, 44854210), (514, 36738565), (563, 33541070), (842, 22427105), (1126, 16770535), (1285, 14695426), (2105, 8970842), (2570, 7347713), (2815, 6708214), (4210, 4485421), (5630, 3354107), (7967, 2370230), (13051, 1446910), (15934, 1185115), (17453, 1081970), (26102, 723455), (34906, 540985), (39835, 474046), (65255, 289382), (79670, 237023), (87265, 216394), (108197, 174530), (130510, 144691)]