18257994

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 24510006

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 89, 131, 174, 178, 261, 262, 267, 393, 522, 534, 783, 786, 801, 1179, 1566, 1602, 2358, 2403, 2581, 3537, 3799, 4806, 5162, 7074, 7598, 7743, 11397, 11659, 15486, 22794, 23229, 23318, 34191, 34977, 46458, 68382, 69687, 69954, 102573, 104931, 139374, 205146, 209862, 314793, 338111, 629586, 676222, 1014333, 2028666, 3042999, 6085998, 9128997, 18257994]

約数ペア:

[(1, 18257994), (2, 9128997), (3, 6085998), (6, 3042999), (9, 2028666), (18, 1014333), (27, 676222), (29, 629586), (54, 338111), (58, 314793), (87, 209862), (89, 205146), (131, 139374), (174, 104931), (178, 102573), (261, 69954), (262, 69687), (267, 68382), (393, 46458), (522, 34977), (534, 34191), (783, 23318), (786, 23229), (801, 22794), (1179, 15486), (1566, 11659), (1602, 11397), (2358, 7743), (2403, 7598), (2581, 7074), (3537, 5162), (3799, 4806)]