19557370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21810950

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 167, 239, 245, 334, 478, 490, 835, 1169, 1195, 1670, 1673, 2338, 2390, 3346, 5845, 8183, 8365, 11690, 11711, 16366, 16730, 23422, 39913, 40915, 58555, 79826, 81830, 117110, 199565, 279391, 399130, 558782, 1396955, 1955737, 2793910, 3911474, 9778685, 19557370]

約数ペア:

[(1, 19557370), (2, 9778685), (5, 3911474), (7, 2793910), (10, 1955737), (14, 1396955), (35, 558782), (49, 399130), (70, 279391), (98, 199565), (167, 117110), (239, 81830), (245, 79826), (334, 58555), (478, 40915), (490, 39913), (835, 23422), (1169, 16730), (1195, 16366), (1670, 11711), (1673, 11690), (2338, 8365), (2390, 8183), (3346, 5845)]