18173578052

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{66851}}^1$

素因数の和:66961

約数の個数: 72

約数和(自身を含む): 39477443040

約数和(自身を除く): 21303864988

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 73, 76, 98, 133, 146, 196, 266, 292, 511, 532, 931, 1022, 1387, 1862, 2044, 2774, 3577, 3724, 5548, 7154, 9709, 14308, 19418, 38836, 66851, 67963, 133702, 135926, 267404, 271852, 467957, 935914, 1270169, 1871828, 2540338, 3275699, 4880123, 5080676, 6551398, 8891183, 9760246, 13102796, 17782366, 19520492, 34160861, 35564732, 62238281, 68321722, 92722337, 124476562, 136643444, 185444674, 239126027, 248953124, 370889348, 478252054, 649056359, 956504108, 1298112718, 2596225436, 4543394513, 9086789026, 18173578052]

約数ペア:

[(1, 18173578052), (2, 9086789026), (4, 4543394513), (7, 2596225436), (14, 1298112718), (19, 956504108), (28, 649056359), (38, 478252054), (49, 370889348), (73, 248953124), (76, 239126027), (98, 185444674), (133, 136643444), (146, 124476562), (196, 92722337), (266, 68321722), (292, 62238281), (511, 35564732), (532, 34160861), (931, 19520492), (1022, 17782366), (1387, 13102796), (1862, 9760246), (2044, 8891183), (2774, 6551398), (3577, 5080676), (3724, 4880123), (5548, 3275699), (7154, 2540338), (9709, 1871828), (14308, 1270169), (19418, 935914), (38836, 467957), (66851, 271852), (67963, 267404), (133702, 135926)]