19963854

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2137}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 44641440

約数和(自身を除く): 24677586

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2137, 3114, 4274, 4671, 6411, 9342, 12822, 19233, 38466, 57699, 115398, 369701, 739402, 1109103, 2218206, 3327309, 6654618, 9981927, 19963854]

約数ペア:

[(1, 19963854), (2, 9981927), (3, 6654618), (6, 3327309), (9, 2218206), (18, 1109103), (27, 739402), (54, 369701), (173, 115398), (346, 57699), (519, 38466), (1038, 19233), (1557, 12822), (2137, 9342), (3114, 6411), (4274, 4671)]