19867860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4799}}^1$

素因数の和:4837

約数の個数: 72

約数和(自身を含む): 62899200

約数和(自身を除く): 43031340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4799, 9598, 14397, 19196, 23995, 28794, 43191, 47990, 57588, 71985, 86382, 95980, 110377, 143970, 172764, 215955, 220754, 287940, 331131, 431910, 441508, 551885, 662262, 863820, 993393, 1103770, 1324524, 1655655, 1986786, 2207540, 3311310, 3973572, 4966965, 6622620, 9933930, 19867860]

約数ペア:

[(1, 19867860), (2, 9933930), (3, 6622620), (4, 4966965), (5, 3973572), (6, 3311310), (9, 2207540), (10, 1986786), (12, 1655655), (15, 1324524), (18, 1103770), (20, 993393), (23, 863820), (30, 662262), (36, 551885), (45, 441508), (46, 431910), (60, 331131), (69, 287940), (90, 220754), (92, 215955), (115, 172764), (138, 143970), (180, 110377), (207, 95980), (230, 86382), (276, 71985), (345, 57588), (414, 47990), (460, 43191), (690, 28794), (828, 23995), (1035, 19196), (1380, 14397), (2070, 9598), (4140, 4799)]