18919096

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 44097480

約数和(自身を除く): 25178384

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 167, 196, 238, 289, 334, 392, 476, 578, 668, 833, 952, 1156, 1169, 1336, 1666, 2023, 2312, 2338, 2839, 3332, 4046, 4676, 5678, 6664, 8092, 8183, 9352, 11356, 14161, 16184, 16366, 19873, 22712, 28322, 32732, 39746, 48263, 56644, 65464, 79492, 96526, 113288, 139111, 158984, 193052, 278222, 337841, 386104, 556444, 675682, 1112888, 1351364, 2364887, 2702728, 4729774, 9459548, 18919096]

約数ペア:

[(1, 18919096), (2, 9459548), (4, 4729774), (7, 2702728), (8, 2364887), (14, 1351364), (17, 1112888), (28, 675682), (34, 556444), (49, 386104), (56, 337841), (68, 278222), (98, 193052), (119, 158984), (136, 139111), (167, 113288), (196, 96526), (238, 79492), (289, 65464), (334, 56644), (392, 48263), (476, 39746), (578, 32732), (668, 28322), (833, 22712), (952, 19873), (1156, 16366), (1169, 16184), (1336, 14161), (1666, 11356), (2023, 9352), (2312, 8183), (2338, 8092), (2839, 6664), (3332, 5678), (4046, 4676)]