2018680917

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{1931}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 2982389760

約数和(自身を除く): 963708843

約数列:

[1, 3, 11, 33, 79, 237, 401, 869, 1203, 1931, 2607, 4411, 5793, 13233, 21241, 31679, 63723, 95037, 152549, 348469, 457647, 774331, 1045407, 1678039, 2322993, 5034117, 8517641, 25552923, 61172149, 183516447, 672893639, 2018680917]

約数ペア:

[(1, 2018680917), (3, 672893639), (11, 183516447), (33, 61172149), (79, 25552923), (237, 8517641), (401, 5034117), (869, 2322993), (1203, 1678039), (1931, 1045407), (2607, 774331), (4411, 457647), (5793, 348469), (13233, 152549), (21241, 95037), (31679, 63723)]