19560320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2383

約数の個数: 64

約数和(自身を含む): 50379840

約数和(自身を除く): 30819520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2351, 4160, 4702, 8320, 9404, 11755, 18808, 23510, 30563, 37616, 47020, 61126, 75232, 94040, 122252, 150464, 152815, 188080, 244504, 300928, 305630, 376160, 489008, 611260, 752320, 978016, 1222520, 1504640, 1956032, 2445040, 3912064, 4890080, 9780160, 19560320]

約数ペア:

[(1, 19560320), (2, 9780160), (4, 4890080), (5, 3912064), (8, 2445040), (10, 1956032), (13, 1504640), (16, 1222520), (20, 978016), (26, 752320), (32, 611260), (40, 489008), (52, 376160), (64, 305630), (65, 300928), (80, 244504), (104, 188080), (128, 152815), (130, 150464), (160, 122252), (208, 94040), (260, 75232), (320, 61126), (416, 47020), (520, 37616), (640, 30563), (832, 23510), (1040, 18808), (1664, 11755), (2080, 9404), (2351, 8320), (4160, 4702)]