19763968

素因数分解:

$2^8\times 7^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 46357920

約数和(自身を除く): 26593952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 269, 287, 328, 448, 538, 574, 656, 896, 1076, 1148, 1312, 1792, 1883, 2152, 2296, 2624, 3766, 4304, 4592, 5248, 7532, 8608, 9184, 10496, 11029, 15064, 17216, 18368, 22058, 30128, 34432, 36736, 44116, 60256, 68864, 73472, 77203, 88232, 120512, 154406, 176464, 241024, 308812, 352928, 482048, 617624, 705856, 1235248, 1411712, 2470496, 2823424, 4940992, 9881984, 19763968]

約数ペア:

[(1, 19763968), (2, 9881984), (4, 4940992), (7, 2823424), (8, 2470496), (14, 1411712), (16, 1235248), (28, 705856), (32, 617624), (41, 482048), (56, 352928), (64, 308812), (82, 241024), (112, 176464), (128, 154406), (164, 120512), (224, 88232), (256, 77203), (269, 73472), (287, 68864), (328, 60256), (448, 44116), (538, 36736), (574, 34432), (656, 30128), (896, 22058), (1076, 18368), (1148, 17216), (1312, 15064), (1792, 11029), (1883, 10496), (2152, 9184), (2296, 8608), (2624, 7532), (3766, 5248), (4304, 4592)]