18734235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{503}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 13779813

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 503, 573, 955, 1509, 2483, 2515, 2865, 6539, 7449, 7545, 12415, 19617, 32695, 37245, 96073, 98085, 288219, 480365, 1248949, 1441095, 3746847, 6244745, 18734235]

約数ペア:

[(1, 18734235), (3, 6244745), (5, 3746847), (13, 1441095), (15, 1248949), (39, 480365), (65, 288219), (191, 98085), (195, 96073), (503, 37245), (573, 32695), (955, 19617), (1509, 12415), (2483, 7545), (2515, 7449), (2865, 6539)]