19662700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 45497088

約数和(自身を除く): 25834388

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 83, 92, 100, 103, 115, 166, 206, 230, 332, 412, 415, 460, 515, 575, 830, 1030, 1150, 1660, 1909, 2060, 2075, 2300, 2369, 2575, 3818, 4150, 4738, 5150, 7636, 8300, 8549, 9476, 9545, 10300, 11845, 17098, 19090, 23690, 34196, 38180, 42745, 47380, 47725, 59225, 85490, 95450, 118450, 170980, 190900, 196627, 213725, 236900, 393254, 427450, 786508, 854900, 983135, 1966270, 3932540, 4915675, 9831350, 19662700]

約数ペア:

[(1, 19662700), (2, 9831350), (4, 4915675), (5, 3932540), (10, 1966270), (20, 983135), (23, 854900), (25, 786508), (46, 427450), (50, 393254), (83, 236900), (92, 213725), (100, 196627), (103, 190900), (115, 170980), (166, 118450), (206, 95450), (230, 85490), (332, 59225), (412, 47725), (415, 47380), (460, 42745), (515, 38180), (575, 34196), (830, 23690), (1030, 19090), (1150, 17098), (1660, 11845), (1909, 10300), (2060, 9545), (2075, 9476), (2300, 8549), (2369, 8300), (2575, 7636), (3818, 5150), (4150, 4738)]