19810644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13873}}^1$

素因数の和:13904

約数の個数: 48

約数和(自身を含む): 55939968

約数和(自身を除く): 36129324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 13873, 27746, 41619, 55492, 83238, 97111, 166476, 194222, 235841, 291333, 388444, 471682, 582666, 707523, 943364, 1165332, 1415046, 1650887, 2830092, 3301774, 4952661, 6603548, 9905322, 19810644]

約数ペア:

[(1, 19810644), (2, 9905322), (3, 6603548), (4, 4952661), (6, 3301774), (7, 2830092), (12, 1650887), (14, 1415046), (17, 1165332), (21, 943364), (28, 707523), (34, 582666), (42, 471682), (51, 388444), (68, 291333), (84, 235841), (102, 194222), (119, 166476), (204, 97111), (238, 83238), (357, 55492), (476, 41619), (714, 27746), (1428, 13873)]