19742235

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 33903360

約数和(自身を除く): 14161125

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1307, 3021, 3921, 5035, 6535, 15105, 19605, 24833, 69271, 74499, 124165, 207813, 346355, 372495, 1039065, 1316149, 3948447, 6580745, 19742235]

約数ペア:

[(1, 19742235), (3, 6580745), (5, 3948447), (15, 1316149), (19, 1039065), (53, 372495), (57, 346355), (95, 207813), (159, 124165), (265, 74499), (285, 69271), (795, 24833), (1007, 19605), (1307, 15105), (3021, 6535), (3921, 5035)]