19879587

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 96

約数和(自身を含む): 39137280

約数和(自身を除く): 19257693

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 31, 39, 63, 81, 87, 91, 93, 117, 189, 203, 217, 243, 261, 273, 279, 351, 377, 403, 567, 609, 651, 783, 819, 837, 899, 1053, 1131, 1209, 1701, 1827, 1953, 2349, 2457, 2511, 2639, 2697, 2821, 3159, 3393, 3627, 5481, 5859, 6293, 7047, 7371, 7533, 7917, 8091, 8463, 10179, 10881, 11687, 16443, 17577, 18879, 22113, 23751, 24273, 25389, 30537, 32643, 35061, 49329, 52731, 56637, 71253, 72819, 76167, 81809, 91611, 97929, 105183, 169911, 213759, 218457, 228501, 245427, 315549, 509733, 641277, 685503, 736281, 946647, 1529199, 2208843, 2839941, 6626529, 19879587]

約数ペア:

[(1, 19879587), (3, 6626529), (7, 2839941), (9, 2208843), (13, 1529199), (21, 946647), (27, 736281), (29, 685503), (31, 641277), (39, 509733), (63, 315549), (81, 245427), (87, 228501), (91, 218457), (93, 213759), (117, 169911), (189, 105183), (203, 97929), (217, 91611), (243, 81809), (261, 76167), (273, 72819), (279, 71253), (351, 56637), (377, 52731), (403, 49329), (567, 35061), (609, 32643), (651, 30537), (783, 25389), (819, 24273), (837, 23751), (899, 22113), (1053, 18879), (1131, 17577), (1209, 16443), (1701, 11687), (1827, 10881), (1953, 10179), (2349, 8463), (2457, 8091), (2511, 7917), (2639, 7533), (2697, 7371), (2821, 7047), (3159, 6293), (3393, 5859), (3627, 5481)]