19805526

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 48081600

約数和(自身を除く): 28276074

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 89, 117, 178, 234, 267, 317, 351, 534, 634, 702, 801, 951, 1157, 1602, 1902, 2314, 2403, 2853, 3471, 4121, 4806, 5706, 6942, 8242, 8559, 10413, 12363, 17118, 20826, 24726, 28213, 31239, 37089, 56426, 62478, 74178, 84639, 111267, 169278, 222534, 253917, 366769, 507834, 733538, 761751, 1100307, 1523502, 2200614, 3300921, 6601842, 9902763, 19805526]

約数ペア:

[(1, 19805526), (2, 9902763), (3, 6601842), (6, 3300921), (9, 2200614), (13, 1523502), (18, 1100307), (26, 761751), (27, 733538), (39, 507834), (54, 366769), (78, 253917), (89, 222534), (117, 169278), (178, 111267), (234, 84639), (267, 74178), (317, 62478), (351, 56426), (534, 37089), (634, 31239), (702, 28213), (801, 24726), (951, 20826), (1157, 17118), (1602, 12363), (1902, 10413), (2314, 8559), (2403, 8242), (2853, 6942), (3471, 5706), (4121, 4806)]