18423966

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 42923520

約数和(自身を除く): 24499554

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 53, 66, 69, 106, 138, 159, 229, 253, 318, 458, 506, 583, 687, 759, 1166, 1219, 1374, 1518, 1749, 2438, 2519, 3498, 3657, 5038, 5267, 7314, 7557, 10534, 12137, 13409, 15114, 15801, 24274, 26818, 31602, 36411, 40227, 57937, 72822, 80454, 115874, 133507, 173811, 267014, 279151, 347622, 400521, 558302, 801042, 837453, 1674906, 3070661, 6141322, 9211983, 18423966]

約数ペア:

[(1, 18423966), (2, 9211983), (3, 6141322), (6, 3070661), (11, 1674906), (22, 837453), (23, 801042), (33, 558302), (46, 400521), (53, 347622), (66, 279151), (69, 267014), (106, 173811), (138, 133507), (159, 115874), (229, 80454), (253, 72822), (318, 57937), (458, 40227), (506, 36411), (583, 31602), (687, 26818), (759, 24274), (1166, 15801), (1219, 15114), (1374, 13409), (1518, 12137), (1749, 10534), (2438, 7557), (2519, 7314), (3498, 5267), (3657, 5038)]