19567940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 30751420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 59, 70, 92, 103, 115, 118, 140, 161, 206, 230, 236, 295, 322, 412, 413, 460, 515, 590, 644, 721, 805, 826, 1030, 1180, 1357, 1442, 1610, 1652, 2060, 2065, 2369, 2714, 2884, 3220, 3605, 4130, 4738, 5428, 6077, 6785, 7210, 8260, 9476, 9499, 11845, 12154, 13570, 14420, 16583, 18998, 23690, 24308, 27140, 30385, 33166, 37996, 42539, 47380, 47495, 60770, 66332, 82915, 85078, 94990, 121540, 139771, 165830, 170156, 189980, 212695, 279542, 331660, 425390, 559084, 698855, 850780, 978397, 1397710, 1956794, 2795420, 3913588, 4891985, 9783970, 19567940]

約数ペア:

[(1, 19567940), (2, 9783970), (4, 4891985), (5, 3913588), (7, 2795420), (10, 1956794), (14, 1397710), (20, 978397), (23, 850780), (28, 698855), (35, 559084), (46, 425390), (59, 331660), (70, 279542), (92, 212695), (103, 189980), (115, 170156), (118, 165830), (140, 139771), (161, 121540), (206, 94990), (230, 85078), (236, 82915), (295, 66332), (322, 60770), (412, 47495), (413, 47380), (460, 42539), (515, 37996), (590, 33166), (644, 30385), (721, 27140), (805, 24308), (826, 23690), (1030, 18998), (1180, 16583), (1357, 14420), (1442, 13570), (1610, 12154), (1652, 11845), (2060, 9499), (2065, 9476), (2369, 8260), (2714, 7210), (2884, 6785), (3220, 6077), (3605, 5428), (4130, 4738)]