19985076

素因数分解:

$2^2\times 3^3\times {\mathrm{211}}^1\times {\mathrm{877}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 52118080

約数和(自身を除く): 32133004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 211, 422, 633, 844, 877, 1266, 1754, 1899, 2532, 2631, 3508, 3798, 5262, 5697, 7596, 7893, 10524, 11394, 15786, 22788, 23679, 31572, 47358, 94716, 185047, 370094, 555141, 740188, 1110282, 1665423, 2220564, 3330846, 4996269, 6661692, 9992538, 19985076]

約数ペア:

[(1, 19985076), (2, 9992538), (3, 6661692), (4, 4996269), (6, 3330846), (9, 2220564), (12, 1665423), (18, 1110282), (27, 740188), (36, 555141), (54, 370094), (108, 185047), (211, 94716), (422, 47358), (633, 31572), (844, 23679), (877, 22788), (1266, 15786), (1754, 11394), (1899, 10524), (2532, 7893), (2631, 7596), (3508, 5697), (3798, 5262)]