19793890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 37234224

約数和(自身を除く): 17440334

約数列:

[1, 2, 5, 10, 37, 61, 74, 122, 185, 305, 370, 610, 877, 1754, 2257, 4385, 4514, 8770, 11285, 22570, 32449, 53497, 64898, 106994, 162245, 267485, 324490, 534970, 1979389, 3958778, 9896945, 19793890]

約数ペア:

[(1, 19793890), (2, 9896945), (5, 3958778), (10, 1979389), (37, 534970), (61, 324490), (74, 267485), (122, 162245), (185, 106994), (305, 64898), (370, 53497), (610, 32449), (877, 22570), (1754, 11285), (2257, 8770), (4385, 4514)]