19420060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 45595872

約数和(自身を除く): 26175812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2153, 2255, 4306, 4510, 8612, 9020, 10765, 21530, 23683, 43060, 47366, 88273, 94732, 118415, 176546, 236830, 353092, 441365, 473660, 882730, 971003, 1765460, 1942006, 3884012, 4855015, 9710030, 19420060]

約数ペア:

[(1, 19420060), (2, 9710030), (4, 4855015), (5, 3884012), (10, 1942006), (11, 1765460), (20, 971003), (22, 882730), (41, 473660), (44, 441365), (55, 353092), (82, 236830), (110, 176546), (164, 118415), (205, 94732), (220, 88273), (410, 47366), (451, 43060), (820, 23683), (902, 21530), (1804, 10765), (2153, 9020), (2255, 8612), (4306, 4510)]