19469900

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1723}}^1$

素因数の和:1850

約数の個数: 36

約数和(自身を含む): 42648312

約数和(自身を除く): 23178412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1723, 2260, 2825, 3446, 5650, 6892, 8615, 11300, 17230, 34460, 43075, 86150, 172300, 194699, 389398, 778796, 973495, 1946990, 3893980, 4867475, 9734950, 19469900]

約数ペア:

[(1, 19469900), (2, 9734950), (4, 4867475), (5, 3893980), (10, 1946990), (20, 973495), (25, 778796), (50, 389398), (100, 194699), (113, 172300), (226, 86150), (452, 43075), (565, 34460), (1130, 17230), (1723, 11300), (2260, 8615), (2825, 6892), (3446, 5650)]