19008640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4243}}^1$

素因数の和:4269

約数の個数: 64

約数和(自身を含む): 51946560

約数和(自身を除く): 32937920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4243, 4480, 8486, 16972, 21215, 29701, 33944, 42430, 59402, 67888, 84860, 118804, 135776, 148505, 169720, 237608, 271552, 297010, 339440, 475216, 543104, 594020, 678880, 950432, 1188040, 1357760, 1900864, 2376080, 2715520, 3801728, 4752160, 9504320, 19008640]

約数ペア:

[(1, 19008640), (2, 9504320), (4, 4752160), (5, 3801728), (7, 2715520), (8, 2376080), (10, 1900864), (14, 1357760), (16, 1188040), (20, 950432), (28, 678880), (32, 594020), (35, 543104), (40, 475216), (56, 339440), (64, 297010), (70, 271552), (80, 237608), (112, 169720), (128, 148505), (140, 135776), (160, 118804), (224, 84860), (280, 67888), (320, 59402), (448, 42430), (560, 33944), (640, 29701), (896, 21215), (1120, 16972), (2240, 8486), (4243, 4480)]