18820088

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 43623360

約数和(自身を除く): 24803272

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 212, 238, 371, 373, 424, 476, 742, 746, 901, 952, 1484, 1492, 1802, 2611, 2968, 2984, 3604, 5222, 6307, 6341, 7208, 10444, 12614, 12682, 19769, 20888, 25228, 25364, 39538, 44387, 50456, 50728, 79076, 88774, 138383, 158152, 177548, 276766, 336073, 355096, 553532, 672146, 1107064, 1344292, 2352511, 2688584, 4705022, 9410044, 18820088]

約数ペア:

[(1, 18820088), (2, 9410044), (4, 4705022), (7, 2688584), (8, 2352511), (14, 1344292), (17, 1107064), (28, 672146), (34, 553532), (53, 355096), (56, 336073), (68, 276766), (106, 177548), (119, 158152), (136, 138383), (212, 88774), (238, 79076), (371, 50728), (373, 50456), (424, 44387), (476, 39538), (742, 25364), (746, 25228), (901, 20888), (952, 19769), (1484, 12682), (1492, 12614), (1802, 10444), (2611, 7208), (2968, 6341), (2984, 6307), (3604, 5222)]