18427095

素因数分解:

$3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 33349536

約数和(自身を除く): 14922441

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 263, 405, 519, 789, 865, 1315, 1557, 2367, 2595, 3945, 4671, 7101, 7785, 11835, 14013, 21303, 23355, 35505, 45499, 70065, 106515, 136497, 227495, 409491, 682485, 1228473, 2047455, 3685419, 6142365, 18427095]

約数ペア:

[(1, 18427095), (3, 6142365), (5, 3685419), (9, 2047455), (15, 1228473), (27, 682485), (45, 409491), (81, 227495), (135, 136497), (173, 106515), (263, 70065), (405, 45499), (519, 35505), (789, 23355), (865, 21303), (1315, 14013), (1557, 11835), (2367, 7785), (2595, 7101), (3945, 4671)]