19987296

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{607}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 41299104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 343, 392, 588, 607, 672, 686, 784, 1029, 1176, 1214, 1372, 1568, 1821, 2058, 2352, 2428, 2744, 3642, 4116, 4249, 4704, 4856, 5488, 7284, 8232, 8498, 9712, 10976, 12747, 14568, 16464, 16996, 19424, 25494, 29136, 29743, 32928, 33992, 50988, 58272, 59486, 67984, 89229, 101976, 118972, 135968, 178458, 203952, 208201, 237944, 356916, 407904, 416402, 475888, 624603, 713832, 832804, 951776, 1249206, 1427664, 1665608, 2498412, 2855328, 3331216, 4996824, 6662432, 9993648, 19987296]

約数ペア:

[(1, 19987296), (2, 9993648), (3, 6662432), (4, 4996824), (6, 3331216), (7, 2855328), (8, 2498412), (12, 1665608), (14, 1427664), (16, 1249206), (21, 951776), (24, 832804), (28, 713832), (32, 624603), (42, 475888), (48, 416402), (49, 407904), (56, 356916), (84, 237944), (96, 208201), (98, 203952), (112, 178458), (147, 135968), (168, 118972), (196, 101976), (224, 89229), (294, 67984), (336, 59486), (343, 58272), (392, 50988), (588, 33992), (607, 32928), (672, 29743), (686, 29136), (784, 25494), (1029, 19424), (1176, 16996), (1214, 16464), (1372, 14568), (1568, 12747), (1821, 10976), (2058, 9712), (2352, 8498), (2428, 8232), (2744, 7284), (3642, 5488), (4116, 4856), (4249, 4704)]