18930405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 32852736

約数和(自身を除く): 13922331

約数列:

[1, 3, 5, 13, 15, 39, 65, 193, 195, 503, 579, 965, 1509, 2509, 2515, 2895, 6539, 7527, 7545, 12545, 19617, 32695, 37635, 97079, 98085, 291237, 485395, 1262027, 1456185, 3786081, 6310135, 18930405]

約数ペア:

[(1, 18930405), (3, 6310135), (5, 3786081), (13, 1456185), (15, 1262027), (39, 485395), (65, 291237), (193, 98085), (195, 97079), (503, 37635), (579, 32695), (965, 19617), (1509, 12545), (2509, 7545), (2515, 7527), (2895, 6539)]