19287944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{971}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 19903096

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 971, 1528, 1942, 2483, 3884, 4966, 7768, 9932, 12623, 19864, 25246, 50492, 100984, 185461, 370922, 741844, 1483688, 2410993, 4821986, 9643972, 19287944]

約数ペア:

[(1, 19287944), (2, 9643972), (4, 4821986), (8, 2410993), (13, 1483688), (26, 741844), (52, 370922), (104, 185461), (191, 100984), (382, 50492), (764, 25246), (971, 19864), (1528, 12623), (1942, 9932), (2483, 7768), (3884, 4966)]