19077760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2325

約数の個数: 64

約数和(自身を含む): 49137480

約数和(自身を除く): 30059720

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, 2293, 4160, 4586, 8320, 9172, 11465, 18344, 22930, 29809, 36688, 45860, 59618, 73376, 91720, 119236, 146752, 149045, 183440, 238472, 293504, 298090, 366880, 476944, 596180, 733760, 953888, 1192360, 1467520, 1907776, 2384720, 3815552, 4769440, 9538880, 19077760]

約数ペア:

[(1, 19077760), (2, 9538880), (4, 4769440), (5, 3815552), (8, 2384720), (10, 1907776), (13, 1467520), (16, 1192360), (20, 953888), (26, 733760), (32, 596180), (40, 476944), (52, 366880), (64, 298090), (65, 293504), (80, 238472), (104, 183440), (128, 149045), (130, 146752), (160, 119236), (208, 91720), (260, 73376), (320, 59618), (416, 45860), (520, 36688), (640, 29809), (832, 22930), (1040, 18344), (1664, 11465), (2080, 9172), (2293, 8320), (4160, 4586)]