19902912

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4507}}^1$

素因数の和:4545

約数の個数: 56

約数和(自身を含む): 54961536

約数和(自身を除く): 35058624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 138, 184, 192, 276, 368, 552, 736, 1104, 1472, 2208, 4416, 4507, 9014, 13521, 18028, 27042, 36056, 54084, 72112, 103661, 108168, 144224, 207322, 216336, 288448, 310983, 414644, 432672, 621966, 829288, 865344, 1243932, 1658576, 2487864, 3317152, 4975728, 6634304, 9951456, 19902912]

約数ペア:

[(1, 19902912), (2, 9951456), (3, 6634304), (4, 4975728), (6, 3317152), (8, 2487864), (12, 1658576), (16, 1243932), (23, 865344), (24, 829288), (32, 621966), (46, 432672), (48, 414644), (64, 310983), (69, 288448), (92, 216336), (96, 207322), (138, 144224), (184, 108168), (192, 103661), (276, 72112), (368, 54084), (552, 36056), (736, 27042), (1104, 18028), (1472, 13521), (2208, 9014), (4416, 4507)]