18483440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 46068480

約数和(自身を除く): 27585040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 257, 290, 310, 464, 496, 514, 580, 620, 899, 1028, 1160, 1240, 1285, 1798, 2056, 2320, 2480, 2570, 3596, 4112, 4495, 5140, 7192, 7453, 7967, 8990, 10280, 14384, 14906, 15934, 17980, 20560, 29812, 31868, 35960, 37265, 39835, 59624, 63736, 71920, 74530, 79670, 119248, 127472, 149060, 159340, 231043, 298120, 318680, 462086, 596240, 637360, 924172, 1155215, 1848344, 2310430, 3696688, 4620860, 9241720, 18483440]

約数ペア:

[(1, 18483440), (2, 9241720), (4, 4620860), (5, 3696688), (8, 2310430), (10, 1848344), (16, 1155215), (20, 924172), (29, 637360), (31, 596240), (40, 462086), (58, 318680), (62, 298120), (80, 231043), (116, 159340), (124, 149060), (145, 127472), (155, 119248), (232, 79670), (248, 74530), (257, 71920), (290, 63736), (310, 59624), (464, 39835), (496, 37265), (514, 35960), (580, 31868), (620, 29812), (899, 20560), (1028, 17980), (1160, 15934), (1240, 14906), (1285, 14384), (1798, 10280), (2056, 8990), (2320, 7967), (2480, 7453), (2570, 7192), (3596, 5140), (4112, 4495)]