19307900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3643}}^1$

素因数の和:3710

約数の個数: 36

約数和(自身を含む): 42700392

約数和(自身を除く): 23392492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3643, 5300, 7286, 14572, 18215, 36430, 72860, 91075, 182150, 193079, 364300, 386158, 772316, 965395, 1930790, 3861580, 4826975, 9653950, 19307900]

約数ペア:

[(1, 19307900), (2, 9653950), (4, 4826975), (5, 3861580), (10, 1930790), (20, 965395), (25, 772316), (50, 386158), (53, 364300), (100, 193079), (106, 182150), (212, 91075), (265, 72860), (530, 36430), (1060, 18215), (1325, 14572), (2650, 7286), (3643, 5300)]