18587842

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 17990462

約数列:

[1, 2, 7, 13, 14, 26, 41, 47, 53, 82, 91, 94, 106, 182, 287, 329, 371, 533, 574, 611, 658, 689, 742, 1066, 1222, 1378, 1927, 2173, 2491, 3731, 3854, 4277, 4346, 4823, 4982, 7462, 8554, 9646, 13489, 15211, 17437, 25051, 26978, 28249, 30422, 32383, 34874, 50102, 56498, 64766, 102131, 175357, 197743, 204262, 226681, 350714, 395486, 453362, 714917, 1327703, 1429834, 2655406, 9293921, 18587842]

約数ペア:

[(1, 18587842), (2, 9293921), (7, 2655406), (13, 1429834), (14, 1327703), (26, 714917), (41, 453362), (47, 395486), (53, 350714), (82, 226681), (91, 204262), (94, 197743), (106, 175357), (182, 102131), (287, 64766), (329, 56498), (371, 50102), (533, 34874), (574, 32383), (611, 30422), (658, 28249), (689, 26978), (742, 25051), (1066, 17437), (1222, 15211), (1378, 13489), (1927, 9646), (2173, 8554), (2491, 7462), (3731, 4982), (3854, 4823), (4277, 4346)]