18380144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 37914240

約数和(自身を除く): 19534096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 103, 152, 206, 304, 412, 587, 824, 1174, 1648, 1957, 2348, 3914, 4696, 7828, 9392, 11153, 15656, 22306, 31312, 44612, 60461, 89224, 120922, 178448, 241844, 483688, 967376, 1148759, 2297518, 4595036, 9190072, 18380144]

約数ペア:

[(1, 18380144), (2, 9190072), (4, 4595036), (8, 2297518), (16, 1148759), (19, 967376), (38, 483688), (76, 241844), (103, 178448), (152, 120922), (206, 89224), (304, 60461), (412, 44612), (587, 31312), (824, 22306), (1174, 15656), (1648, 11153), (1957, 9392), (2348, 7828), (3914, 4696)]