19323396

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32044284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 83, 87, 116, 166, 174, 223, 249, 261, 332, 348, 446, 498, 522, 669, 747, 892, 996, 1044, 1338, 1494, 2007, 2407, 2676, 2988, 4014, 4814, 6467, 7221, 8028, 9628, 12934, 14442, 18509, 19401, 21663, 25868, 28884, 37018, 38802, 43326, 55527, 58203, 74036, 77604, 86652, 111054, 116406, 166581, 222108, 232812, 333162, 536761, 666324, 1073522, 1610283, 2147044, 3220566, 4830849, 6441132, 9661698, 19323396]

約数ペア:

[(1, 19323396), (2, 9661698), (3, 6441132), (4, 4830849), (6, 3220566), (9, 2147044), (12, 1610283), (18, 1073522), (29, 666324), (36, 536761), (58, 333162), (83, 232812), (87, 222108), (116, 166581), (166, 116406), (174, 111054), (223, 86652), (249, 77604), (261, 74036), (332, 58203), (348, 55527), (446, 43326), (498, 38802), (522, 37018), (669, 28884), (747, 25868), (892, 21663), (996, 19401), (1044, 18509), (1338, 14442), (1494, 12934), (2007, 9628), (2407, 8028), (2676, 7221), (2988, 6467), (4014, 4814)]