19128902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 31987200

約数和(自身を除く): 12858298

約数列:

[1, 2, 13, 26, 67, 79, 134, 139, 158, 278, 871, 1027, 1742, 1807, 2054, 3614, 5293, 9313, 10586, 10981, 18626, 21962, 68809, 121069, 137618, 142753, 242138, 285506, 735727, 1471454, 9564451, 19128902]

約数ペア:

[(1, 19128902), (2, 9564451), (13, 1471454), (26, 735727), (67, 285506), (79, 242138), (134, 142753), (139, 137618), (158, 121069), (278, 68809), (871, 21962), (1027, 18626), (1742, 10981), (1807, 10586), (2054, 9313), (3614, 5293)]