18741940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2269}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 45763200

約数和(自身を除く): 27021260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2269, 4130, 4538, 8260, 9076, 11345, 15883, 22690, 31766, 45380, 63532, 79415, 133871, 158830, 267742, 317660, 535484, 669355, 937097, 1338710, 1874194, 2677420, 3748388, 4685485, 9370970, 18741940]

約数ペア:

[(1, 18741940), (2, 9370970), (4, 4685485), (5, 3748388), (7, 2677420), (10, 1874194), (14, 1338710), (20, 937097), (28, 669355), (35, 535484), (59, 317660), (70, 267742), (118, 158830), (140, 133871), (236, 79415), (295, 63532), (413, 45380), (590, 31766), (826, 22690), (1180, 15883), (1652, 11345), (2065, 9076), (2269, 8260), (4130, 4538)]