19420160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3793}}^1$

素因数の和:3818

約数の個数: 44

約数和(自身を含む): 46597908

約数和(自身を除く): 27177748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3793, 5120, 7586, 15172, 18965, 30344, 37930, 60688, 75860, 121376, 151720, 242752, 303440, 485504, 606880, 971008, 1213760, 1942016, 2427520, 3884032, 4855040, 9710080, 19420160]

約数ペア:

[(1, 19420160), (2, 9710080), (4, 4855040), (5, 3884032), (8, 2427520), (10, 1942016), (16, 1213760), (20, 971008), (32, 606880), (40, 485504), (64, 303440), (80, 242752), (128, 151720), (160, 121376), (256, 75860), (320, 60688), (512, 37930), (640, 30344), (1024, 18965), (1280, 15172), (2560, 7586), (3793, 5120)]