19875456

素因数分解:

$2^7\times 3^7\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 60220800

約数和(自身を除く): 40345344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 81, 96, 108, 128, 142, 144, 162, 192, 213, 216, 243, 284, 288, 324, 384, 426, 432, 486, 568, 576, 639, 648, 729, 852, 864, 972, 1136, 1152, 1278, 1296, 1458, 1704, 1728, 1917, 1944, 2187, 2272, 2556, 2592, 2916, 3408, 3456, 3834, 3888, 4374, 4544, 5112, 5184, 5751, 5832, 6816, 7668, 7776, 8748, 9088, 10224, 10368, 11502, 11664, 13632, 15336, 15552, 17253, 17496, 20448, 23004, 23328, 27264, 30672, 31104, 34506, 34992, 40896, 46008, 46656, 51759, 61344, 69012, 69984, 81792, 92016, 93312, 103518, 122688, 138024, 139968, 155277, 184032, 207036, 245376, 276048, 279936, 310554, 368064, 414072, 552096, 621108, 736128, 828144, 1104192, 1242216, 1656288, 2208384, 2484432, 3312576, 4968864, 6625152, 9937728, 19875456]

約数ペア:

[(1, 19875456), (2, 9937728), (3, 6625152), (4, 4968864), (6, 3312576), (8, 2484432), (9, 2208384), (12, 1656288), (16, 1242216), (18, 1104192), (24, 828144), (27, 736128), (32, 621108), (36, 552096), (48, 414072), (54, 368064), (64, 310554), (71, 279936), (72, 276048), (81, 245376), (96, 207036), (108, 184032), (128, 155277), (142, 139968), (144, 138024), (162, 122688), (192, 103518), (213, 93312), (216, 92016), (243, 81792), (284, 69984), (288, 69012), (324, 61344), (384, 51759), (426, 46656), (432, 46008), (486, 40896), (568, 34992), (576, 34506), (639, 31104), (648, 30672), (729, 27264), (852, 23328), (864, 23004), (972, 20448), (1136, 17496), (1152, 17253), (1278, 15552), (1296, 15336), (1458, 13632), (1704, 11664), (1728, 11502), (1917, 10368), (1944, 10224), (2187, 9088), (2272, 8748), (2556, 7776), (2592, 7668), (2916, 6816), (3408, 5832), (3456, 5751), (3834, 5184), (3888, 5112), (4374, 4544)]