18900000028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51923077}}^1$

素因数の和:51923101

約数の個数: 24

約数和(自身を含む): 40707693152

約数和(自身を除く): 21807693124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51923077, 103846154, 207692308, 363461539, 675000001, 726923078, 1350000002, 1453846156, 2700000004, 4725000007, 9450000014, 18900000028]

約数ペア:

[(1, 18900000028), (2, 9450000014), (4, 4725000007), (7, 2700000004), (13, 1453846156), (14, 1350000002), (26, 726923078), (28, 675000001), (52, 363461539), (91, 207692308), (182, 103846154), (364, 51923077)]