19428195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 33480000

約数和(自身を除く): 14051805

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 1249, 3111, 3747, 5185, 6245, 15555, 18735, 21233, 63699, 76189, 106165, 228567, 318495, 380945, 1142835, 1295213, 3885639, 6476065, 19428195]

約数ペア:

[(1, 19428195), (3, 6476065), (5, 3885639), (15, 1295213), (17, 1142835), (51, 380945), (61, 318495), (85, 228567), (183, 106165), (255, 76189), (305, 63699), (915, 21233), (1037, 18735), (1249, 15555), (3111, 6245), (3747, 5185)]