19691385291

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{1867}}^1\times {\mathrm{17491}}^1$

素因数の和:19431

約数の個数: 24

約数和(自身を含む): 28884749504

約数和(自身を除く): 9193364213

約数列:

[1, 3, 9, 67, 201, 603, 1867, 5601, 16803, 17491, 52473, 125089, 157419, 375267, 1125801, 1171897, 3515691, 10547073, 32655697, 97967091, 293901273, 2187931699, 6563795097, 19691385291]

約数ペア:

[(1, 19691385291), (3, 6563795097), (9, 2187931699), (67, 293901273), (201, 97967091), (603, 32655697), (1867, 10547073), (5601, 3515691), (16803, 1171897), (17491, 1125801), (52473, 375267), (125089, 157419)]