19584920

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1163}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 44208720

約数和(自身を除く): 24623800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1163, 1684, 2105, 2326, 3368, 4210, 4652, 5815, 8420, 9304, 11630, 16840, 23260, 46520, 489623, 979246, 1958492, 2448115, 3916984, 4896230, 9792460, 19584920]

約数ペア:

[(1, 19584920), (2, 9792460), (4, 4896230), (5, 3916984), (8, 2448115), (10, 1958492), (20, 979246), (40, 489623), (421, 46520), (842, 23260), (1163, 16840), (1684, 11630), (2105, 9304), (2326, 8420), (3368, 5815), (4210, 4652)]