18701208

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^2\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 53054820

約数和(自身を除く): 34353612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 491, 529, 552, 828, 982, 1058, 1473, 1587, 1656, 1964, 2116, 2946, 3174, 3928, 4232, 4419, 4761, 5892, 6348, 8838, 9522, 11293, 11784, 12696, 17676, 19044, 22586, 33879, 35352, 38088, 45172, 67758, 90344, 101637, 135516, 203274, 259739, 271032, 406548, 519478, 779217, 813096, 1038956, 1558434, 2077912, 2337651, 3116868, 4675302, 6233736, 9350604, 18701208]

約数ペア:

[(1, 18701208), (2, 9350604), (3, 6233736), (4, 4675302), (6, 3116868), (8, 2337651), (9, 2077912), (12, 1558434), (18, 1038956), (23, 813096), (24, 779217), (36, 519478), (46, 406548), (69, 271032), (72, 259739), (92, 203274), (138, 135516), (184, 101637), (207, 90344), (276, 67758), (414, 45172), (491, 38088), (529, 35352), (552, 33879), (828, 22586), (982, 19044), (1058, 17676), (1473, 12696), (1587, 11784), (1656, 11293), (1964, 9522), (2116, 8838), (2946, 6348), (3174, 5892), (3928, 4761), (4232, 4419)]