19699685915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{609803}}^1$

素因数の和:609899

約数の個数: 32

約数和(自身を含む): 29504756736

約数和(自身を除く): 9805070821

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 2485, 4615, 6461, 32305, 609803, 3049015, 4268621, 7927439, 21343105, 39637195, 43296013, 55492073, 216480065, 277460365, 303072091, 562848169, 1515360455, 2814240845, 3939937183, 19699685915]

約数ペア:

[(1, 19699685915), (5, 3939937183), (7, 2814240845), (13, 1515360455), (35, 562848169), (65, 303072091), (71, 277460365), (91, 216480065), (355, 55492073), (455, 43296013), (497, 39637195), (923, 21343105), (2485, 7927439), (4615, 4268621), (6461, 3049015), (32305, 609803)]