19479885

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 32192640

約数和(自身を除く): 12712755

約数列:

[1, 3, 5, 15, 53, 107, 159, 229, 265, 321, 535, 687, 795, 1145, 1605, 3435, 5671, 12137, 17013, 24503, 28355, 36411, 60685, 73509, 85065, 122515, 182055, 367545, 1298659, 3895977, 6493295, 19479885]

約数ペア:

[(1, 19479885), (3, 6493295), (5, 3895977), (15, 1298659), (53, 367545), (107, 182055), (159, 122515), (229, 85065), (265, 73509), (321, 60685), (535, 36411), (687, 28355), (795, 24503), (1145, 17013), (1605, 12137), (3435, 5671)]