18729844

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 20340236

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 101, 148, 179, 202, 259, 358, 404, 518, 707, 716, 1036, 1253, 1414, 2506, 2828, 3737, 5012, 6623, 7474, 13246, 14948, 18079, 26159, 26492, 36158, 46361, 52318, 72316, 92722, 104636, 126553, 185444, 253106, 506212, 668923, 1337846, 2675692, 4682461, 9364922, 18729844]

約数ペア:

[(1, 18729844), (2, 9364922), (4, 4682461), (7, 2675692), (14, 1337846), (28, 668923), (37, 506212), (74, 253106), (101, 185444), (148, 126553), (179, 104636), (202, 92722), (259, 72316), (358, 52318), (404, 46361), (518, 36158), (707, 26492), (716, 26159), (1036, 18079), (1253, 14948), (1414, 13246), (2506, 7474), (2828, 6623), (3737, 5012)]