18304580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7691}}^1$

素因数の和:7724

約数の個数: 48

約数和(自身を含む): 46521216

約数和(自身を除く): 28216636

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7691, 15382, 30764, 38455, 53837, 76910, 107674, 130747, 153820, 215348, 261494, 269185, 522988, 538370, 653735, 915229, 1076740, 1307470, 1830458, 2614940, 3660916, 4576145, 9152290, 18304580]

約数ペア:

[(1, 18304580), (2, 9152290), (4, 4576145), (5, 3660916), (7, 2614940), (10, 1830458), (14, 1307470), (17, 1076740), (20, 915229), (28, 653735), (34, 538370), (35, 522988), (68, 269185), (70, 261494), (85, 215348), (119, 153820), (140, 130747), (170, 107674), (238, 76910), (340, 53837), (476, 38455), (595, 30764), (1190, 15382), (2380, 7691)]