18663087742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 31275211968

約数和(自身を除く): 12612124226

約数列:

[1, 2, 13, 26, 41, 82, 181, 197, 362, 394, 491, 533, 982, 1066, 2353, 2561, 4706, 5122, 6383, 7421, 8077, 12766, 14842, 16154, 20131, 35657, 40262, 71314, 88871, 96473, 96727, 105001, 177742, 192946, 193454, 210002, 261703, 463541, 523406, 927082, 1155323, 1257451, 1461937, 2310646, 2514902, 2923874, 3643711, 3965807, 7287422, 7931614, 17507587, 19005181, 35015174, 38010362, 47368243, 51555491, 94736486, 103110982, 227598631, 455197262, 717811067, 1435622134, 9331543871, 18663087742]

約数ペア:

[(1, 18663087742), (2, 9331543871), (13, 1435622134), (26, 717811067), (41, 455197262), (82, 227598631), (181, 103110982), (197, 94736486), (362, 51555491), (394, 47368243), (491, 38010362), (533, 35015174), (982, 19005181), (1066, 17507587), (2353, 7931614), (2561, 7287422), (4706, 3965807), (5122, 3643711), (6383, 2923874), (7421, 2514902), (8077, 2310646), (12766, 1461937), (14842, 1257451), (16154, 1155323), (20131, 927082), (35657, 523406), (40262, 463541), (71314, 261703), (88871, 210002), (96473, 193454), (96727, 192946), (105001, 177742)]