19243520

素因数分解:

$2^9\times 5^1\times {\mathrm{7517}}^1$

素因数の和:7540

約数の個数: 40

約数和(自身を含む): 46145484

約数和(自身を除く): 26901964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7517, 15034, 30068, 37585, 60136, 75170, 120272, 150340, 240544, 300680, 481088, 601360, 962176, 1202720, 1924352, 2405440, 3848704, 4810880, 9621760, 19243520]

約数ペア:

[(1, 19243520), (2, 9621760), (4, 4810880), (5, 3848704), (8, 2405440), (10, 1924352), (16, 1202720), (20, 962176), (32, 601360), (40, 481088), (64, 300680), (80, 240544), (128, 150340), (160, 120272), (256, 75170), (320, 60136), (512, 37585), (640, 30068), (1280, 15034), (2560, 7517)]