18520480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 50621760

約数和(自身を除く): 32101280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 619, 680, 748, 880, 935, 1238, 1360, 1496, 1760, 1870, 2476, 2720, 2992, 3095, 3740, 4952, 5984, 6190, 6809, 7480, 9904, 10523, 12380, 13618, 14960, 19808, 21046, 24760, 27236, 29920, 34045, 42092, 49520, 52615, 54472, 68090, 84184, 99040, 105230, 108944, 115753, 136180, 168368, 210460, 217888, 231506, 272360, 336736, 420920, 463012, 544720, 578765, 841840, 926024, 1089440, 1157530, 1683680, 1852048, 2315060, 3704096, 4630120, 9260240, 18520480]

約数ペア:

[(1, 18520480), (2, 9260240), (4, 4630120), (5, 3704096), (8, 2315060), (10, 1852048), (11, 1683680), (16, 1157530), (17, 1089440), (20, 926024), (22, 841840), (32, 578765), (34, 544720), (40, 463012), (44, 420920), (55, 336736), (68, 272360), (80, 231506), (85, 217888), (88, 210460), (110, 168368), (136, 136180), (160, 115753), (170, 108944), (176, 105230), (187, 99040), (220, 84184), (272, 68090), (340, 54472), (352, 52615), (374, 49520), (440, 42092), (544, 34045), (619, 29920), (680, 27236), (748, 24760), (880, 21046), (935, 19808), (1238, 14960), (1360, 13618), (1496, 12380), (1760, 10523), (1870, 9904), (2476, 7480), (2720, 6809), (2992, 6190), (3095, 5984), (3740, 4952)]