16981900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13063}}^1$

素因数の和:13090

約数の個数: 36

約数和(自身を含む): 39688432

約数和(自身を除く): 22706532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 13063, 26126, 52252, 65315, 130630, 169819, 261260, 326575, 339638, 653150, 679276, 849095, 1306300, 1698190, 3396380, 4245475, 8490950, 16981900]

約数ペア:

[(1, 16981900), (2, 8490950), (4, 4245475), (5, 3396380), (10, 1698190), (13, 1306300), (20, 849095), (25, 679276), (26, 653150), (50, 339638), (52, 326575), (65, 261260), (100, 169819), (130, 130630), (260, 65315), (325, 52252), (650, 26126), (1300, 13063)]