17949958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 30489984

約数和(自身を除く): 12540026

約数列:

[1, 2, 13, 26, 37, 47, 74, 94, 397, 481, 611, 794, 962, 1222, 1739, 3478, 5161, 10322, 14689, 18659, 22607, 29378, 37318, 45214, 190957, 242567, 381914, 485134, 690383, 1380766, 8974979, 17949958]

約数ペア:

[(1, 17949958), (2, 8974979), (13, 1380766), (26, 690383), (37, 485134), (47, 381914), (74, 242567), (94, 190957), (397, 45214), (481, 37318), (611, 29378), (794, 22607), (962, 18659), (1222, 14689), (1739, 10322), (3478, 5161)]