18138315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 31481856

約数和(自身を除く): 13343541

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 487, 573, 955, 1461, 2435, 2483, 2865, 6331, 7305, 7449, 12415, 18993, 31655, 37245, 93017, 94965, 279051, 465085, 1209221, 1395255, 3627663, 6046105, 18138315]

約数ペア:

[(1, 18138315), (3, 6046105), (5, 3627663), (13, 1395255), (15, 1209221), (39, 465085), (65, 279051), (191, 94965), (195, 93017), (487, 37245), (573, 31655), (955, 18993), (1461, 12415), (2435, 7449), (2483, 7305), (2865, 6331)]