18439390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1373}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 35614080

約数和(自身を除く): 17174690

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 1373, 2686, 2746, 6715, 6865, 13430, 13730, 23341, 46682, 108467, 116705, 216934, 233410, 542335, 1084670, 1843939, 3687878, 9219695, 18439390]

約数ペア:

[(1, 18439390), (2, 9219695), (5, 3687878), (10, 1843939), (17, 1084670), (34, 542335), (79, 233410), (85, 216934), (158, 116705), (170, 108467), (395, 46682), (790, 23341), (1343, 13730), (1373, 13430), (2686, 6865), (2746, 6715)]