19210880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2309}}^1$

素因数の和:2341

約数の個数: 64

約数和(自身を含む): 49480200

約数和(自身を除く): 30269320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2309, 4160, 4618, 8320, 9236, 11545, 18472, 23090, 30017, 36944, 46180, 60034, 73888, 92360, 120068, 147776, 150085, 184720, 240136, 295552, 300170, 369440, 480272, 600340, 738880, 960544, 1200680, 1477760, 1921088, 2401360, 3842176, 4802720, 9605440, 19210880]

約数ペア:

[(1, 19210880), (2, 9605440), (4, 4802720), (5, 3842176), (8, 2401360), (10, 1921088), (13, 1477760), (16, 1200680), (20, 960544), (26, 738880), (32, 600340), (40, 480272), (52, 369440), (64, 300170), (65, 295552), (80, 240136), (104, 184720), (128, 150085), (130, 147776), (160, 120068), (208, 92360), (260, 73888), (320, 60034), (416, 46180), (520, 36944), (640, 30017), (832, 23090), (1040, 18472), (1664, 11545), (2080, 9236), (2309, 8320), (4160, 4618)]