19624340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 44425920

約数和(自身を除く): 24801580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1201, 1634, 2402, 3268, 4085, 4804, 6005, 8170, 12010, 16340, 22819, 24020, 45638, 51643, 91276, 103286, 114095, 206572, 228190, 258215, 456380, 516430, 981217, 1032860, 1962434, 3924868, 4906085, 9812170, 19624340]

約数ペア:

[(1, 19624340), (2, 9812170), (4, 4906085), (5, 3924868), (10, 1962434), (19, 1032860), (20, 981217), (38, 516430), (43, 456380), (76, 258215), (86, 228190), (95, 206572), (172, 114095), (190, 103286), (215, 91276), (380, 51643), (430, 45638), (817, 24020), (860, 22819), (1201, 16340), (1634, 12010), (2402, 8170), (3268, 6005), (4085, 4804)]