18241509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 28925568

約数和(自身を除く): 10684059

約数列:

[1, 3, 11, 13, 33, 39, 101, 143, 303, 421, 429, 1111, 1263, 1313, 3333, 3939, 4631, 5473, 13893, 14443, 16419, 42521, 43329, 60203, 127563, 180609, 467731, 552773, 1403193, 1658319, 6080503, 18241509]

約数ペア:

[(1, 18241509), (3, 6080503), (11, 1658319), (13, 1403193), (33, 552773), (39, 467731), (101, 180609), (143, 127563), (303, 60203), (421, 43329), (429, 42521), (1111, 16419), (1263, 14443), (1313, 13893), (3333, 5473), (3939, 4631)]