19377620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56993}}^1$

素因数の和:57019

約数の個数: 24

約数和(自身を含む): 43087464

約数和(自身を除く): 23709844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56993, 113986, 227972, 284965, 569930, 968881, 1139860, 1937762, 3875524, 4844405, 9688810, 19377620]

約数ペア:

[(1, 19377620), (2, 9688810), (4, 4844405), (5, 3875524), (10, 1937762), (17, 1139860), (20, 968881), (34, 569930), (68, 284965), (85, 227972), (170, 113986), (340, 56993)]