19291980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4799}}^1$

素因数の和:4878

約数の個数: 48

約数和(自身を含む): 54835200

約数和(自身を除く): 35543220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4799, 9598, 14397, 19196, 23995, 28794, 47990, 57588, 71985, 95980, 143970, 287940, 321533, 643066, 964599, 1286132, 1607665, 1929198, 3215330, 3858396, 4822995, 6430660, 9645990, 19291980]

約数ペア:

[(1, 19291980), (2, 9645990), (3, 6430660), (4, 4822995), (5, 3858396), (6, 3215330), (10, 1929198), (12, 1607665), (15, 1286132), (20, 964599), (30, 643066), (60, 321533), (67, 287940), (134, 143970), (201, 95980), (268, 71985), (335, 57588), (402, 47990), (670, 28794), (804, 23995), (1005, 19196), (1340, 14397), (2010, 9598), (4020, 4799)]