18064784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 36164352

約数和(自身を除く): 18099568

約数列:

[1, 2, 4, 8, 16, 61, 83, 122, 166, 223, 244, 332, 446, 488, 664, 892, 976, 1328, 1784, 3568, 5063, 10126, 13603, 18509, 20252, 27206, 37018, 40504, 54412, 74036, 81008, 108824, 148072, 217648, 296144, 1129049, 2258098, 4516196, 9032392, 18064784]

約数ペア:

[(1, 18064784), (2, 9032392), (4, 4516196), (8, 2258098), (16, 1129049), (61, 296144), (83, 217648), (122, 148072), (166, 108824), (223, 81008), (244, 74036), (332, 54412), (446, 40504), (488, 37018), (664, 27206), (892, 20252), (976, 18509), (1328, 13603), (1784, 10126), (3568, 5063)]