18865227984

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20685557}}^1$

素因数の和:20685587

約数の個数: 40

約数和(自身を含む): 51300183840

約数和(自身を除く): 32434955856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20685557, 41371114, 62056671, 82742228, 124113342, 165484456, 248226684, 330968912, 393025583, 496453368, 786051166, 992906736, 1179076749, 1572102332, 2358153498, 3144204664, 4716306996, 6288409328, 9432613992, 18865227984]

約数ペア:

[(1, 18865227984), (2, 9432613992), (3, 6288409328), (4, 4716306996), (6, 3144204664), (8, 2358153498), (12, 1572102332), (16, 1179076749), (19, 992906736), (24, 786051166), (38, 496453368), (48, 393025583), (57, 330968912), (76, 248226684), (114, 165484456), (152, 124113342), (228, 82742228), (304, 62056671), (456, 41371114), (912, 20685557)]