11809450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 23927040

約数和(自身を除く): 12117590

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 401, 475, 589, 775, 802, 950, 1178, 1550, 2005, 2945, 4010, 5890, 7619, 10025, 12431, 14725, 15238, 20050, 24862, 29450, 38095, 62155, 76190, 124310, 190475, 236189, 310775, 380950, 472378, 621550, 1180945, 2361890, 5904725, 11809450]

約数ペア:

[(1, 11809450), (2, 5904725), (5, 2361890), (10, 1180945), (19, 621550), (25, 472378), (31, 380950), (38, 310775), (50, 236189), (62, 190475), (95, 124310), (155, 76190), (190, 62155), (310, 38095), (401, 29450), (475, 24862), (589, 20050), (775, 15238), (802, 14725), (950, 12431), (1178, 10025), (1550, 7619), (2005, 5890), (2945, 4010)]