19816320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10321}}^1$

素因数の和:10343

約数の個数: 64

約数和(自身を含む): 63170640

約数和(自身を除く): 43354320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10321, 20642, 30963, 41284, 51605, 61926, 82568, 103210, 123852, 154815, 165136, 206420, 247704, 309630, 330272, 412840, 495408, 619260, 660544, 825680, 990816, 1238520, 1321088, 1651360, 1981632, 2477040, 3302720, 3963264, 4954080, 6605440, 9908160, 19816320]

約数ペア:

[(1, 19816320), (2, 9908160), (3, 6605440), (4, 4954080), (5, 3963264), (6, 3302720), (8, 2477040), (10, 1981632), (12, 1651360), (15, 1321088), (16, 1238520), (20, 990816), (24, 825680), (30, 660544), (32, 619260), (40, 495408), (48, 412840), (60, 330272), (64, 309630), (80, 247704), (96, 206420), (120, 165136), (128, 154815), (160, 123852), (192, 103210), (240, 82568), (320, 61926), (384, 51605), (480, 41284), (640, 30963), (960, 20642), (1920, 10321)]