18987930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16229}}^1$

素因数の和:16255

約数の個数: 48

約数和(自身を含む): 53169480

約数和(自身を除く): 34181550

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16229, 32458, 48687, 81145, 97374, 146061, 162290, 210977, 243435, 292122, 421954, 486870, 632931, 730305, 1054885, 1265862, 1460610, 1898793, 2109770, 3164655, 3797586, 6329310, 9493965, 18987930]

約数ペア:

[(1, 18987930), (2, 9493965), (3, 6329310), (5, 3797586), (6, 3164655), (9, 2109770), (10, 1898793), (13, 1460610), (15, 1265862), (18, 1054885), (26, 730305), (30, 632931), (39, 486870), (45, 421954), (65, 292122), (78, 243435), (90, 210977), (117, 162290), (130, 146061), (195, 97374), (234, 81145), (390, 48687), (585, 32458), (1170, 16229)]