19613390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 17158450

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 302, 310, 419, 755, 838, 1510, 2095, 4190, 4681, 9362, 12989, 23405, 25978, 46810, 63269, 64945, 126538, 129890, 316345, 632690, 1961339, 3922678, 9806695, 19613390]

約数ペア:

[(1, 19613390), (2, 9806695), (5, 3922678), (10, 1961339), (31, 632690), (62, 316345), (151, 129890), (155, 126538), (302, 64945), (310, 63269), (419, 46810), (755, 25978), (838, 23405), (1510, 12989), (2095, 9362), (4190, 4681)]