16814808

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 45731400

約数和(自身を除く): 28916592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 571, 818, 1142, 1227, 1636, 1713, 2284, 2454, 3272, 3426, 3681, 4568, 4908, 5139, 6852, 7362, 9816, 10278, 13704, 14724, 20556, 29448, 41112, 233539, 467078, 700617, 934156, 1401234, 1868312, 2101851, 2802468, 4203702, 5604936, 8407404, 16814808]

約数ペア:

[(1, 16814808), (2, 8407404), (3, 5604936), (4, 4203702), (6, 2802468), (8, 2101851), (9, 1868312), (12, 1401234), (18, 934156), (24, 700617), (36, 467078), (72, 233539), (409, 41112), (571, 29448), (818, 20556), (1142, 14724), (1227, 13704), (1636, 10278), (1713, 9816), (2284, 7362), (2454, 6852), (3272, 5139), (3426, 4908), (3681, 4568)]