19513830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2221

約数の個数: 64

約数和(自身を含む): 54793728

約数和(自身を除く): 35279898

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2161, 3010, 4322, 4515, 6483, 9030, 10805, 12966, 15127, 21610, 30254, 32415, 45381, 64830, 75635, 90762, 92923, 151270, 185846, 226905, 278769, 453810, 464615, 557538, 650461, 929230, 1300922, 1393845, 1951383, 2787690, 3252305, 3902766, 6504610, 9756915, 19513830]

約数ペア:

[(1, 19513830), (2, 9756915), (3, 6504610), (5, 3902766), (6, 3252305), (7, 2787690), (10, 1951383), (14, 1393845), (15, 1300922), (21, 929230), (30, 650461), (35, 557538), (42, 464615), (43, 453810), (70, 278769), (86, 226905), (105, 185846), (129, 151270), (210, 92923), (215, 90762), (258, 75635), (301, 64830), (430, 45381), (602, 32415), (645, 30254), (903, 21610), (1290, 15127), (1505, 12966), (1806, 10805), (2161, 9030), (3010, 6483), (4322, 4515)]