19784248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{587}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 20858312

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 383, 587, 766, 1174, 1532, 2348, 3064, 4213, 4696, 6457, 8426, 12914, 16852, 25828, 33704, 51656, 224821, 449642, 899284, 1798568, 2473031, 4946062, 9892124, 19784248]

約数ペア:

[(1, 19784248), (2, 9892124), (4, 4946062), (8, 2473031), (11, 1798568), (22, 899284), (44, 449642), (88, 224821), (383, 51656), (587, 33704), (766, 25828), (1174, 16852), (1532, 12914), (2348, 8426), (3064, 6457), (4213, 4696)]