18946965

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 12387435

約数列:

[1, 3, 5, 15, 59, 79, 177, 237, 271, 295, 395, 813, 885, 1185, 1355, 4065, 4661, 13983, 15989, 21409, 23305, 47967, 64227, 69915, 79945, 107045, 239835, 321135, 1263131, 3789393, 6315655, 18946965]

約数ペア:

[(1, 18946965), (3, 6315655), (5, 3789393), (15, 1263131), (59, 321135), (79, 239835), (177, 107045), (237, 79945), (271, 69915), (295, 64227), (395, 47967), (813, 23305), (885, 21409), (1185, 15989), (1355, 13983), (4065, 4661)]