19468930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4882

約数の個数: 32

約数和(自身を含む): 38965248

約数和(自身を除く): 19496318

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4831, 9662, 24155, 48310, 62803, 125606, 149761, 299522, 314015, 628030, 748805, 1497610, 1946893, 3893786, 9734465, 19468930]

約数ペア:

[(1, 19468930), (2, 9734465), (5, 3893786), (10, 1946893), (13, 1497610), (26, 748805), (31, 628030), (62, 314015), (65, 299522), (130, 149761), (155, 125606), (310, 62803), (403, 48310), (806, 24155), (2015, 9662), (4030, 4831)]