19821495

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 13125705

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 389, 395, 645, 1167, 1185, 1945, 3397, 5835, 10191, 16727, 16985, 30731, 50181, 50955, 83635, 92193, 153655, 250905, 460965, 1321433, 3964299, 6607165, 19821495]

約数ペア:

[(1, 19821495), (3, 6607165), (5, 3964299), (15, 1321433), (43, 460965), (79, 250905), (129, 153655), (215, 92193), (237, 83635), (389, 50955), (395, 50181), (645, 30731), (1167, 16985), (1185, 16727), (1945, 10191), (3397, 5835)]