2019925570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{15679}}^1$

素因数の和:16690

約数の個数: 32

約数和(自身を含む): 3919749120

約数和(自身を除く): 1899823550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 991, 1982, 4955, 9910, 12883, 15679, 25766, 31358, 64415, 78395, 128830, 156790, 203827, 407654, 1019135, 2038270, 15537889, 31075778, 77689445, 155378890, 201992557, 403985114, 1009962785, 2019925570]

約数ペア:

[(1, 2019925570), (2, 1009962785), (5, 403985114), (10, 201992557), (13, 155378890), (26, 77689445), (65, 31075778), (130, 15537889), (991, 2038270), (1982, 1019135), (4955, 407654), (9910, 203827), (12883, 156790), (15679, 128830), (25766, 78395), (31358, 64415)]