18221796

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 49008960

約数和(自身を除く): 30787164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 92, 118, 138, 177, 207, 236, 276, 354, 373, 414, 531, 708, 746, 828, 1062, 1119, 1357, 1492, 2124, 2238, 2714, 3357, 4071, 4476, 5428, 6714, 8142, 8579, 12213, 13428, 16284, 17158, 22007, 24426, 25737, 34316, 44014, 48852, 51474, 66021, 77211, 88028, 102948, 132042, 154422, 198063, 264084, 308844, 396126, 506161, 792252, 1012322, 1518483, 2024644, 3036966, 4555449, 6073932, 9110898, 18221796]

約数ペア:

[(1, 18221796), (2, 9110898), (3, 6073932), (4, 4555449), (6, 3036966), (9, 2024644), (12, 1518483), (18, 1012322), (23, 792252), (36, 506161), (46, 396126), (59, 308844), (69, 264084), (92, 198063), (118, 154422), (138, 132042), (177, 102948), (207, 88028), (236, 77211), (276, 66021), (354, 51474), (373, 48852), (414, 44014), (531, 34316), (708, 25737), (746, 24426), (828, 22007), (1062, 17158), (1119, 16284), (1357, 13428), (1492, 12213), (2124, 8579), (2238, 8142), (2714, 6714), (3357, 5428), (4071, 4476)]