18981024

素因数分解:

$2^5\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1213}}^1$

素因数の和:1389

約数の個数: 48

約数和(自身を含む): 50172192

約数和(自身を除く): 31191168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 163, 326, 489, 652, 978, 1213, 1304, 1956, 2426, 2608, 3639, 3912, 4852, 5216, 7278, 7824, 9704, 14556, 15648, 19408, 29112, 38816, 58224, 116448, 197719, 395438, 593157, 790876, 1186314, 1581752, 2372628, 3163504, 4745256, 6327008, 9490512, 18981024]

約数ペア:

[(1, 18981024), (2, 9490512), (3, 6327008), (4, 4745256), (6, 3163504), (8, 2372628), (12, 1581752), (16, 1186314), (24, 790876), (32, 593157), (48, 395438), (96, 197719), (163, 116448), (326, 58224), (489, 38816), (652, 29112), (978, 19408), (1213, 15648), (1304, 14556), (1956, 9704), (2426, 7824), (2608, 7278), (3639, 5216), (3912, 4852)]