18496348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 37263520

約数和(自身を除く): 18767172

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 193, 194, 247, 386, 388, 494, 772, 988, 1261, 1843, 2509, 2522, 3667, 3686, 5018, 5044, 7334, 7372, 10036, 14668, 18721, 23959, 37442, 47671, 47918, 74884, 95342, 95836, 190684, 243373, 355699, 486746, 711398, 973492, 1422796, 4624087, 9248174, 18496348]

約数ペア:

[(1, 18496348), (2, 9248174), (4, 4624087), (13, 1422796), (19, 973492), (26, 711398), (38, 486746), (52, 355699), (76, 243373), (97, 190684), (193, 95836), (194, 95342), (247, 74884), (386, 47918), (388, 47671), (494, 37442), (772, 23959), (988, 18721), (1261, 14668), (1843, 10036), (2509, 7372), (2522, 7334), (3667, 5044), (3686, 5018)]