19752928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 22625408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 103, 104, 206, 208, 412, 416, 461, 824, 922, 1339, 1648, 1844, 2678, 3296, 3688, 5356, 5993, 7376, 10712, 11986, 14752, 21424, 23972, 42848, 47483, 47944, 94966, 95888, 189932, 191776, 379864, 617279, 759728, 1234558, 1519456, 2469116, 4938232, 9876464, 19752928]

約数ペア:

[(1, 19752928), (2, 9876464), (4, 4938232), (8, 2469116), (13, 1519456), (16, 1234558), (26, 759728), (32, 617279), (52, 379864), (103, 191776), (104, 189932), (206, 95888), (208, 94966), (412, 47944), (416, 47483), (461, 42848), (824, 23972), (922, 21424), (1339, 14752), (1648, 11986), (1844, 10712), (2678, 7376), (3296, 5993), (3688, 5356)]