19876830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28807}}^1$

素因数の和:28840

約数の個数: 32

約数和(自身を含む): 49780224

約数和(自身を除く): 29903394

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28807, 57614, 86421, 144035, 172842, 288070, 432105, 662561, 864210, 1325122, 1987683, 3312805, 3975366, 6625610, 9938415, 19876830]

約数ペア:

[(1, 19876830), (2, 9938415), (3, 6625610), (5, 3975366), (6, 3312805), (10, 1987683), (15, 1325122), (23, 864210), (30, 662561), (46, 432105), (69, 288070), (115, 172842), (138, 144035), (230, 86421), (345, 57614), (690, 28807)]