19779532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 36595440

約数和(自身を除く): 16815908

約数列:

[1, 2, 4, 19, 38, 76, 317, 634, 821, 1268, 1642, 3284, 6023, 12046, 15599, 24092, 31198, 62396, 260257, 520514, 1041028, 4944883, 9889766, 19779532]

約数ペア:

[(1, 19779532), (2, 9889766), (4, 4944883), (19, 1041028), (38, 520514), (76, 260257), (317, 62396), (634, 31198), (821, 24092), (1268, 15599), (1642, 12046), (3284, 6023)]