19214080

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 48786192

約数和(自身を除く): 29572112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 883, 1088, 1280, 1360, 1766, 2176, 2720, 3532, 4352, 4415, 5440, 7064, 8830, 10880, 14128, 15011, 17660, 21760, 28256, 30022, 35320, 56512, 60044, 70640, 75055, 113024, 120088, 141280, 150110, 226048, 240176, 282560, 300220, 480352, 565120, 600440, 960704, 1130240, 1200880, 1921408, 2401760, 3842816, 4803520, 9607040, 19214080]

約数ペア:

[(1, 19214080), (2, 9607040), (4, 4803520), (5, 3842816), (8, 2401760), (10, 1921408), (16, 1200880), (17, 1130240), (20, 960704), (32, 600440), (34, 565120), (40, 480352), (64, 300220), (68, 282560), (80, 240176), (85, 226048), (128, 150110), (136, 141280), (160, 120088), (170, 113024), (256, 75055), (272, 70640), (320, 60044), (340, 56512), (544, 35320), (640, 30022), (680, 28256), (883, 21760), (1088, 17660), (1280, 15011), (1360, 14128), (1766, 10880), (2176, 8830), (2720, 7064), (3532, 5440), (4352, 4415)]