19678240

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4241}}^1$

素因数の和:4285

約数の個数: 48

約数和(自身を含む): 48104280

約数和(自身を除く): 28426040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4241, 4640, 8482, 16964, 21205, 33928, 42410, 67856, 84820, 122989, 135712, 169640, 245978, 339280, 491956, 614945, 678560, 983912, 1229890, 1967824, 2459780, 3935648, 4919560, 9839120, 19678240]

約数ペア:

[(1, 19678240), (2, 9839120), (4, 4919560), (5, 3935648), (8, 2459780), (10, 1967824), (16, 1229890), (20, 983912), (29, 678560), (32, 614945), (40, 491956), (58, 339280), (80, 245978), (116, 169640), (145, 135712), (160, 122989), (232, 84820), (290, 67856), (464, 42410), (580, 33928), (928, 21205), (1160, 16964), (2320, 8482), (4241, 4640)]