19858132

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1516

約数の個数: 36

約数和(自身を含む): 41023584

約数和(自身を除く): 21165452

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1427, 1988, 2854, 3479, 5708, 6958, 9989, 13916, 19978, 39956, 69923, 101317, 139846, 202634, 279692, 405268, 709219, 1418438, 2836876, 4964533, 9929066, 19858132]

約数ペア:

[(1, 19858132), (2, 9929066), (4, 4964533), (7, 2836876), (14, 1418438), (28, 709219), (49, 405268), (71, 279692), (98, 202634), (142, 139846), (196, 101317), (284, 69923), (497, 39956), (994, 19978), (1427, 13916), (1988, 9989), (2854, 6958), (3479, 5708)]