19616560

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3359}}^1$

素因数の和:3445

約数の個数: 40

約数和(自身を含む): 46247040

約数和(自身を除く): 26630480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3359, 5840, 6718, 13436, 16795, 26872, 33590, 53744, 67180, 134360, 245207, 268720, 490414, 980828, 1226035, 1961656, 2452070, 3923312, 4904140, 9808280, 19616560]

約数ペア:

[(1, 19616560), (2, 9808280), (4, 4904140), (5, 3923312), (8, 2452070), (10, 1961656), (16, 1226035), (20, 980828), (40, 490414), (73, 268720), (80, 245207), (146, 134360), (292, 67180), (365, 53744), (584, 33590), (730, 26872), (1168, 16795), (1460, 13436), (2920, 6718), (3359, 5840)]