19427730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1391

約数の個数: 64

約数和(自身を含む): 54079488

約数和(自身を除く): 34651758

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1303, 1491, 2130, 2485, 2606, 2982, 3909, 4970, 6515, 7455, 7818, 9121, 13030, 14910, 18242, 19545, 27363, 39090, 45605, 54726, 91210, 92513, 136815, 185026, 273630, 277539, 462565, 555078, 647591, 925130, 1295182, 1387695, 1942773, 2775390, 3237955, 3885546, 6475910, 9713865, 19427730]

約数ペア:

[(1, 19427730), (2, 9713865), (3, 6475910), (5, 3885546), (6, 3237955), (7, 2775390), (10, 1942773), (14, 1387695), (15, 1295182), (21, 925130), (30, 647591), (35, 555078), (42, 462565), (70, 277539), (71, 273630), (105, 185026), (142, 136815), (210, 92513), (213, 91210), (355, 54726), (426, 45605), (497, 39090), (710, 27363), (994, 19545), (1065, 18242), (1303, 14910), (1491, 13030), (2130, 9121), (2485, 7818), (2606, 7455), (2982, 6515), (3909, 4970)]