19643748

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 48362496

約数和(自身を除く): 28718748

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 691, 1236, 1382, 2073, 2369, 2764, 4146, 4738, 7107, 8292, 9476, 14214, 15893, 28428, 31786, 47679, 63572, 71173, 95358, 142346, 190716, 213519, 284692, 427038, 854076, 1636979, 3273958, 4910937, 6547916, 9821874, 19643748]

約数ペア:

[(1, 19643748), (2, 9821874), (3, 6547916), (4, 4910937), (6, 3273958), (12, 1636979), (23, 854076), (46, 427038), (69, 284692), (92, 213519), (103, 190716), (138, 142346), (206, 95358), (276, 71173), (309, 63572), (412, 47679), (618, 31786), (691, 28428), (1236, 15893), (1382, 14214), (2073, 9476), (2369, 8292), (2764, 7107), (4146, 4738)]