19828788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2089}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 53370240

約数和(自身を除く): 33541452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 113, 226, 339, 452, 678, 791, 1356, 1582, 2089, 2373, 3164, 4178, 4746, 6267, 8356, 9492, 12534, 14623, 25068, 29246, 43869, 58492, 87738, 175476, 236057, 472114, 708171, 944228, 1416342, 1652399, 2832684, 3304798, 4957197, 6609596, 9914394, 19828788]

約数ペア:

[(1, 19828788), (2, 9914394), (3, 6609596), (4, 4957197), (6, 3304798), (7, 2832684), (12, 1652399), (14, 1416342), (21, 944228), (28, 708171), (42, 472114), (84, 236057), (113, 175476), (226, 87738), (339, 58492), (452, 43869), (678, 29246), (791, 25068), (1356, 14623), (1582, 12534), (2089, 9492), (2373, 8356), (3164, 6267), (4178, 4746)]