19684584

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2087}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 53745120

約数和(自身を除く): 34060536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2087, 2358, 3144, 4174, 4716, 6261, 8348, 9432, 12522, 16696, 18783, 25044, 37566, 50088, 75132, 150264, 273397, 546794, 820191, 1093588, 1640382, 2187176, 2460573, 3280764, 4921146, 6561528, 9842292, 19684584]

約数ペア:

[(1, 19684584), (2, 9842292), (3, 6561528), (4, 4921146), (6, 3280764), (8, 2460573), (9, 2187176), (12, 1640382), (18, 1093588), (24, 820191), (36, 546794), (72, 273397), (131, 150264), (262, 75132), (393, 50088), (524, 37566), (786, 25044), (1048, 18783), (1179, 16696), (1572, 12522), (2087, 9432), (2358, 8348), (3144, 6261), (4174, 4716)]