18976250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 80

約数和(自身を含む): 40487040

約数和(自身を除く): 21510790

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 47, 50, 85, 94, 95, 125, 170, 190, 235, 250, 323, 425, 470, 475, 625, 646, 799, 850, 893, 950, 1175, 1250, 1598, 1615, 1786, 2125, 2350, 2375, 3230, 3995, 4250, 4465, 4750, 5875, 7990, 8075, 8930, 10625, 11750, 11875, 15181, 16150, 19975, 21250, 22325, 23750, 29375, 30362, 39950, 40375, 44650, 58750, 75905, 80750, 99875, 111625, 151810, 199750, 201875, 223250, 379525, 403750, 499375, 558125, 759050, 998750, 1116250, 1897625, 3795250, 9488125, 18976250]

約数ペア:

[(1, 18976250), (2, 9488125), (5, 3795250), (10, 1897625), (17, 1116250), (19, 998750), (25, 759050), (34, 558125), (38, 499375), (47, 403750), (50, 379525), (85, 223250), (94, 201875), (95, 199750), (125, 151810), (170, 111625), (190, 99875), (235, 80750), (250, 75905), (323, 58750), (425, 44650), (470, 40375), (475, 39950), (625, 30362), (646, 29375), (799, 23750), (850, 22325), (893, 21250), (950, 19975), (1175, 16150), (1250, 15181), (1598, 11875), (1615, 11750), (1786, 10625), (2125, 8930), (2350, 8075), (2375, 7990), (3230, 5875), (3995, 4750), (4250, 4465)]