18329675

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1188

約数の個数: 36

約数和(自身を含む): 28498176

約数和(自身を除く): 10168501

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1151, 1225, 2275, 3185, 5755, 8057, 14963, 15925, 28775, 40285, 56399, 74815, 104741, 201425, 281995, 374075, 523705, 733187, 1409975, 2618525, 3665935, 18329675]

約数ペア:

[(1, 18329675), (5, 3665935), (7, 2618525), (13, 1409975), (25, 733187), (35, 523705), (49, 374075), (65, 281995), (91, 201425), (175, 104741), (245, 74815), (325, 56399), (455, 40285), (637, 28775), (1151, 15925), (1225, 14963), (2275, 8057), (3185, 5755)]