18998692

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 33868800

約数和(自身を除く): 14870108

約数列:

[1, 2, 4, 127, 149, 251, 254, 298, 502, 508, 596, 1004, 18923, 31877, 37399, 37846, 63754, 74798, 75692, 127508, 149596, 4749673, 9499346, 18998692]

約数ペア:

[(1, 18998692), (2, 9499346), (4, 4749673), (127, 149596), (149, 127508), (251, 75692), (254, 74798), (298, 63754), (502, 37846), (508, 37399), (596, 31877), (1004, 18923)]