19020320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 49968576

約数和(自身を除く): 30948256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 107, 110, 160, 176, 202, 214, 220, 352, 404, 428, 440, 505, 535, 808, 856, 880, 1010, 1070, 1111, 1177, 1616, 1712, 1760, 2020, 2140, 2222, 2354, 3232, 3424, 4040, 4280, 4444, 4708, 5555, 5885, 8080, 8560, 8888, 9416, 10807, 11110, 11770, 16160, 17120, 17776, 18832, 21614, 22220, 23540, 35552, 37664, 43228, 44440, 47080, 54035, 86456, 88880, 94160, 108070, 118877, 172912, 177760, 188320, 216140, 237754, 345824, 432280, 475508, 594385, 864560, 951016, 1188770, 1729120, 1902032, 2377540, 3804064, 4755080, 9510160, 19020320]

約数ペア:

[(1, 19020320), (2, 9510160), (4, 4755080), (5, 3804064), (8, 2377540), (10, 1902032), (11, 1729120), (16, 1188770), (20, 951016), (22, 864560), (32, 594385), (40, 475508), (44, 432280), (55, 345824), (80, 237754), (88, 216140), (101, 188320), (107, 177760), (110, 172912), (160, 118877), (176, 108070), (202, 94160), (214, 88880), (220, 86456), (352, 54035), (404, 47080), (428, 44440), (440, 43228), (505, 37664), (535, 35552), (808, 23540), (856, 22220), (880, 21614), (1010, 18832), (1070, 17776), (1111, 17120), (1177, 16160), (1616, 11770), (1712, 11110), (1760, 10807), (2020, 9416), (2140, 8888), (2222, 8560), (2354, 8080), (3232, 5885), (3424, 5555), (4040, 4708), (4280, 4444)]