2019087290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{251443}}^1$

素因数の和:251534

約数の個数: 32

約数和(自身を含む): 4019080896

約数和(自身を除く): 1999993606

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 4015, 8030, 251443, 502886, 1257215, 2514430, 2765873, 5531746, 13829365, 18355339, 27658730, 36710678, 91776695, 183553390, 201908729, 403817458, 1009543645, 2019087290]

約数ペア:

[(1, 2019087290), (2, 1009543645), (5, 403817458), (10, 201908729), (11, 183553390), (22, 91776695), (55, 36710678), (73, 27658730), (110, 18355339), (146, 13829365), (365, 5531746), (730, 2765873), (803, 2514430), (1606, 1257215), (4015, 502886), (8030, 251443)]