19960416

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9901}}^1$

素因数の和:9924

約数の個数: 72

約数和(自身を含む): 64877904

約数和(自身を除く): 44917488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9901, 19802, 29703, 39604, 59406, 69307, 79208, 89109, 118812, 138614, 158416, 178218, 207921, 237624, 277228, 316832, 356436, 415842, 475248, 554456, 623763, 712872, 831684, 950496, 1108912, 1247526, 1425744, 1663368, 2217824, 2495052, 2851488, 3326736, 4990104, 6653472, 9980208, 19960416]

約数ペア:

[(1, 19960416), (2, 9980208), (3, 6653472), (4, 4990104), (6, 3326736), (7, 2851488), (8, 2495052), (9, 2217824), (12, 1663368), (14, 1425744), (16, 1247526), (18, 1108912), (21, 950496), (24, 831684), (28, 712872), (32, 623763), (36, 554456), (42, 475248), (48, 415842), (56, 356436), (63, 316832), (72, 277228), (84, 237624), (96, 207921), (112, 178218), (126, 158416), (144, 138614), (168, 118812), (224, 89109), (252, 79208), (288, 69307), (336, 59406), (504, 39604), (672, 29703), (1008, 19802), (2016, 9901)]