19881930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8389}}^1$

素因数の和:8478

約数の個数: 32

約数和(自身を含む): 48326400

約数和(自身を除く): 28444470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8389, 16778, 25167, 41945, 50334, 83890, 125835, 251670, 662731, 1325462, 1988193, 3313655, 3976386, 6627310, 9940965, 19881930]

約数ペア:

[(1, 19881930), (2, 9940965), (3, 6627310), (5, 3976386), (6, 3313655), (10, 1988193), (15, 1325462), (30, 662731), (79, 251670), (158, 125835), (237, 83890), (395, 50334), (474, 41945), (790, 25167), (1185, 16778), (2370, 8389)]