18189918

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 41951520

約数和(自身を除く): 23761602

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 138, 159, 207, 318, 414, 477, 829, 954, 1219, 1658, 2438, 2487, 3657, 4974, 7314, 7461, 10971, 14922, 19067, 21942, 38134, 43937, 57201, 87874, 114402, 131811, 171603, 263622, 343206, 395433, 790866, 1010551, 2021102, 3031653, 6063306, 9094959, 18189918]

約数ペア:

[(1, 18189918), (2, 9094959), (3, 6063306), (6, 3031653), (9, 2021102), (18, 1010551), (23, 790866), (46, 395433), (53, 343206), (69, 263622), (106, 171603), (138, 131811), (159, 114402), (207, 87874), (318, 57201), (414, 43937), (477, 38134), (829, 21942), (954, 19067), (1219, 14922), (1658, 10971), (2438, 7461), (2487, 7314), (3657, 4974)]