19397556

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 56105280

約数和(自身を除く): 36707724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 81, 92, 108, 114, 137, 138, 162, 171, 207, 228, 274, 276, 324, 342, 411, 414, 437, 513, 548, 621, 684, 822, 828, 874, 1026, 1233, 1242, 1311, 1539, 1644, 1748, 1863, 2052, 2466, 2484, 2603, 2622, 3078, 3151, 3699, 3726, 3933, 4932, 5206, 5244, 6156, 6302, 7398, 7452, 7809, 7866, 9453, 10412, 11097, 11799, 12604, 14796, 15618, 15732, 18906, 22194, 23427, 23598, 28359, 31236, 35397, 37812, 44388, 46854, 47196, 56718, 59869, 70281, 70794, 85077, 93708, 113436, 119738, 140562, 141588, 170154, 179607, 210843, 239476, 255231, 281124, 340308, 359214, 421686, 510462, 538821, 718428, 843372, 1020924, 1077642, 1616463, 2155284, 3232926, 4849389, 6465852, 9698778, 19397556]

約数ペア:

[(1, 19397556), (2, 9698778), (3, 6465852), (4, 4849389), (6, 3232926), (9, 2155284), (12, 1616463), (18, 1077642), (19, 1020924), (23, 843372), (27, 718428), (36, 538821), (38, 510462), (46, 421686), (54, 359214), (57, 340308), (69, 281124), (76, 255231), (81, 239476), (92, 210843), (108, 179607), (114, 170154), (137, 141588), (138, 140562), (162, 119738), (171, 113436), (207, 93708), (228, 85077), (274, 70794), (276, 70281), (324, 59869), (342, 56718), (411, 47196), (414, 46854), (437, 44388), (513, 37812), (548, 35397), (621, 31236), (684, 28359), (822, 23598), (828, 23427), (874, 22194), (1026, 18906), (1233, 15732), (1242, 15618), (1311, 14796), (1539, 12604), (1644, 11799), (1748, 11097), (1863, 10412), (2052, 9453), (2466, 7866), (2484, 7809), (2603, 7452), (2622, 7398), (3078, 6302), (3151, 6156), (3699, 5244), (3726, 5206), (3933, 4932)]