18394905

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 30305664

約数和(自身を除く): 11910759

約数列:

[1, 3, 5, 15, 73, 107, 157, 219, 321, 365, 471, 535, 785, 1095, 1605, 2355, 7811, 11461, 16799, 23433, 34383, 39055, 50397, 57305, 83995, 117165, 171915, 251985, 1226327, 3678981, 6131635, 18394905]

約数ペア:

[(1, 18394905), (3, 6131635), (5, 3678981), (15, 1226327), (73, 251985), (107, 171915), (157, 117165), (219, 83995), (321, 57305), (365, 50397), (471, 39055), (535, 34383), (785, 23433), (1095, 16799), (1605, 11461), (2355, 7811)]