19150280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11677}}^1$

素因数の和:11729

約数の個数: 32

約数和(自身を含む): 44142840

約数和(自身を除く): 24992560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11677, 23354, 46708, 58385, 93416, 116770, 233540, 467080, 478757, 957514, 1915028, 2393785, 3830056, 4787570, 9575140, 19150280]

約数ペア:

[(1, 19150280), (2, 9575140), (4, 4787570), (5, 3830056), (8, 2393785), (10, 1915028), (20, 957514), (40, 478757), (41, 467080), (82, 233540), (164, 116770), (205, 93416), (328, 58385), (410, 46708), (820, 23354), (1640, 11677)]