18411861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 27747328

約数和(自身を除く): 9335467

約数列:

[1, 3, 13, 31, 39, 93, 97, 157, 291, 403, 471, 1209, 1261, 2041, 3007, 3783, 4867, 6123, 9021, 14601, 15229, 39091, 45687, 63271, 117273, 189813, 197977, 472099, 593931, 1416297, 6137287, 18411861]

約数ペア:

[(1, 18411861), (3, 6137287), (13, 1416297), (31, 593931), (39, 472099), (93, 197977), (97, 189813), (157, 117273), (291, 63271), (403, 45687), (471, 39091), (1209, 15229), (1261, 14601), (2041, 9021), (3007, 6123), (3783, 4867)]