18514914

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 23786526

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 67, 79, 106, 134, 158, 159, 201, 237, 318, 402, 474, 583, 737, 869, 1166, 1474, 1738, 1749, 2211, 2607, 3498, 3551, 4187, 4422, 5214, 5293, 7102, 8374, 10586, 10653, 12561, 15879, 21306, 25122, 31758, 39061, 46057, 58223, 78122, 92114, 116446, 117183, 138171, 174669, 234366, 276342, 280529, 349338, 561058, 841587, 1683174, 3085819, 6171638, 9257457, 18514914]

約数ペア:

[(1, 18514914), (2, 9257457), (3, 6171638), (6, 3085819), (11, 1683174), (22, 841587), (33, 561058), (53, 349338), (66, 280529), (67, 276342), (79, 234366), (106, 174669), (134, 138171), (158, 117183), (159, 116446), (201, 92114), (237, 78122), (318, 58223), (402, 46057), (474, 39061), (583, 31758), (737, 25122), (869, 21306), (1166, 15879), (1474, 12561), (1738, 10653), (1749, 10586), (2211, 8374), (2607, 7102), (3498, 5293), (3551, 5214), (4187, 4422)]