19392303

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 11315409

約数列:

[1, 3, 7, 21, 41, 101, 123, 223, 287, 303, 669, 707, 861, 1561, 2121, 4141, 4683, 9143, 12423, 22523, 27429, 28987, 64001, 67569, 86961, 157661, 192003, 472983, 923443, 2770329, 6464101, 19392303]

約数ペア:

[(1, 19392303), (3, 6464101), (7, 2770329), (21, 923443), (41, 472983), (101, 192003), (123, 157661), (223, 86961), (287, 67569), (303, 64001), (669, 28987), (707, 27429), (861, 22523), (1561, 12423), (2121, 9143), (4141, 4683)]