19388875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 7567925

約数列:

[1, 5, 11, 25, 55, 59, 125, 239, 275, 295, 649, 1195, 1375, 1475, 2629, 3245, 5975, 7375, 13145, 14101, 16225, 29875, 65725, 70505, 81125, 155111, 328625, 352525, 775555, 1762625, 3877775, 19388875]

約数ペア:

[(1, 19388875), (5, 3877775), (11, 1762625), (25, 775555), (55, 352525), (59, 328625), (125, 155111), (239, 81125), (275, 70505), (295, 65725), (649, 29875), (1195, 16225), (1375, 14101), (1475, 13145), (2629, 7375), (3245, 5975)]