18372270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 32638290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 983, 1246, 1335, 1869, 1966, 2670, 2949, 3115, 3738, 4915, 5898, 6230, 6881, 9345, 9830, 13762, 14745, 18690, 20643, 29490, 34405, 41286, 68810, 87487, 103215, 174974, 206430, 262461, 437435, 524922, 612409, 874870, 1224818, 1312305, 1837227, 2624610, 3062045, 3674454, 6124090, 9186135, 18372270]

約数ペア:

[(1, 18372270), (2, 9186135), (3, 6124090), (5, 3674454), (6, 3062045), (7, 2624610), (10, 1837227), (14, 1312305), (15, 1224818), (21, 874870), (30, 612409), (35, 524922), (42, 437435), (70, 262461), (89, 206430), (105, 174974), (178, 103215), (210, 87487), (267, 68810), (445, 41286), (534, 34405), (623, 29490), (890, 20643), (983, 18690), (1246, 14745), (1335, 13762), (1869, 9830), (1966, 9345), (2670, 6881), (2949, 6230), (3115, 5898), (3738, 4915)]