19423744

素因数分解:

$2^9\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 40

約数和(自身を含む): 39528720

約数和(自身を除く): 20104976

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 512, 643, 944, 1286, 1888, 2572, 3776, 5144, 7552, 10288, 15104, 20576, 30208, 37937, 41152, 75874, 82304, 151748, 164608, 303496, 329216, 606992, 1213984, 2427968, 4855936, 9711872, 19423744]

約数ペア:

[(1, 19423744), (2, 9711872), (4, 4855936), (8, 2427968), (16, 1213984), (32, 606992), (59, 329216), (64, 303496), (118, 164608), (128, 151748), (236, 82304), (256, 75874), (472, 41152), (512, 37937), (643, 30208), (944, 20576), (1286, 15104), (1888, 10288), (2572, 7552), (3776, 5144)]