18942105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13877}}^1$

素因数の和:13905

約数の個数: 32

約数和(自身を含む): 37304064

約数和(自身を除く): 18361959

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13877, 41631, 69385, 97139, 180401, 208155, 291417, 485695, 541203, 902005, 1262807, 1457085, 2706015, 3788421, 6314035, 18942105]

約数ペア:

[(1, 18942105), (3, 6314035), (5, 3788421), (7, 2706015), (13, 1457085), (15, 1262807), (21, 902005), (35, 541203), (39, 485695), (65, 291417), (91, 208155), (105, 180401), (195, 97139), (273, 69385), (455, 41631), (1365, 13877)]