19760492

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 35743680

約数和(自身を除く): 15983188

約数列:

[1, 2, 4, 47, 89, 94, 178, 188, 356, 1181, 2362, 4183, 4724, 8366, 16732, 55507, 105109, 111014, 210218, 222028, 420436, 4940123, 9880246, 19760492]

約数ペア:

[(1, 19760492), (2, 9880246), (4, 4940123), (47, 420436), (89, 222028), (94, 210218), (178, 111014), (188, 105109), (356, 55507), (1181, 16732), (2362, 8366), (4183, 4724)]