19693635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4391}}^1$

素因数の和:4435

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 15723453

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4391, 4485, 13173, 21955, 57083, 65865, 100993, 171249, 285415, 302979, 504965, 856245, 1312909, 1514895, 3938727, 6564545, 19693635]

約数ペア:

[(1, 19693635), (3, 6564545), (5, 3938727), (13, 1514895), (15, 1312909), (23, 856245), (39, 504965), (65, 302979), (69, 285415), (115, 171249), (195, 100993), (299, 65865), (345, 57083), (897, 21955), (1495, 13173), (4391, 4485)]