19876410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1103

約数の個数: 48

約数和(自身を含む): 51933960

約数和(自身を除く): 32057550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 538, 807, 821, 1345, 1614, 1642, 2421, 2463, 2690, 4035, 4105, 4842, 4926, 7389, 8070, 8210, 12105, 12315, 14778, 24210, 24630, 36945, 73890, 220849, 441698, 662547, 1104245, 1325094, 1987641, 2208490, 3312735, 3975282, 6625470, 9938205, 19876410]

約数ペア:

[(1, 19876410), (2, 9938205), (3, 6625470), (5, 3975282), (6, 3312735), (9, 2208490), (10, 1987641), (15, 1325094), (18, 1104245), (30, 662547), (45, 441698), (90, 220849), (269, 73890), (538, 36945), (807, 24630), (821, 24210), (1345, 14778), (1614, 12315), (1642, 12105), (2421, 8210), (2463, 8070), (2690, 7389), (4035, 4926), (4105, 4842)]