19411340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5743}}^1$

素因数の和:5778

約数の個数: 36

約数和(自身を含む): 44148384

約数和(自身を除く): 24737044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5743, 11486, 22972, 28715, 57430, 74659, 114860, 149318, 298636, 373295, 746590, 970567, 1493180, 1941134, 3882268, 4852835, 9705670, 19411340]

約数ペア:

[(1, 19411340), (2, 9705670), (4, 4852835), (5, 3882268), (10, 1941134), (13, 1493180), (20, 970567), (26, 746590), (52, 373295), (65, 298636), (130, 149318), (169, 114860), (260, 74659), (338, 57430), (676, 28715), (845, 22972), (1690, 11486), (3380, 5743)]