18386154

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 42120000

約数和(自身を除く): 23733846

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 499, 534, 801, 998, 1497, 1602, 2047, 2994, 4094, 4491, 6141, 8982, 11477, 12282, 18423, 22954, 34431, 36846, 44411, 68862, 88822, 103293, 133233, 206586, 266466, 399699, 799398, 1021453, 2042906, 3064359, 6128718, 9193077, 18386154]

約数ペア:

[(1, 18386154), (2, 9193077), (3, 6128718), (6, 3064359), (9, 2042906), (18, 1021453), (23, 799398), (46, 399699), (69, 266466), (89, 206586), (138, 133233), (178, 103293), (207, 88822), (267, 68862), (414, 44411), (499, 36846), (534, 34431), (801, 22954), (998, 18423), (1497, 12282), (1602, 11477), (2047, 8982), (2994, 6141), (4094, 4491)]