19231786

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 34232832

約数和(自身を除く): 15001046

約数列:

[1, 2, 7, 14, 37, 74, 137, 259, 271, 274, 518, 542, 959, 1897, 1918, 3794, 5069, 10027, 10138, 20054, 35483, 37127, 70189, 70966, 74254, 140378, 259889, 519778, 1373699, 2747398, 9615893, 19231786]

約数ペア:

[(1, 19231786), (2, 9615893), (7, 2747398), (14, 1373699), (37, 519778), (74, 259889), (137, 140378), (259, 74254), (271, 70966), (274, 70189), (518, 37127), (542, 35483), (959, 20054), (1897, 10138), (1918, 10027), (3794, 5069)]