19380615

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 12760185

約数列:

[1, 3, 5, 15, 59, 61, 177, 183, 295, 305, 359, 885, 915, 1077, 1795, 3599, 5385, 10797, 17995, 21181, 21899, 53985, 63543, 65697, 105905, 109495, 317715, 328485, 1292041, 3876123, 6460205, 19380615]

約数ペア:

[(1, 19380615), (3, 6460205), (5, 3876123), (15, 1292041), (59, 328485), (61, 317715), (177, 109495), (183, 105905), (295, 65697), (305, 63543), (359, 53985), (885, 21899), (915, 21181), (1077, 17995), (1795, 10797), (3599, 5385)]