1918893904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{371303}}^1$

素因数の和:371347

約数の個数: 40

約数和(自身を含む): 4143752640

約数和(自身を除く): 2224858736

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 371303, 742606, 1485212, 2970424, 5940848, 6312151, 7054757, 12624302, 14109514, 25248604, 28219028, 50497208, 56438056, 100994416, 112876112, 119930869, 239861738, 479723476, 959446952, 1918893904]

約数ペア:

[(1, 1918893904), (2, 959446952), (4, 479723476), (8, 239861738), (16, 119930869), (17, 112876112), (19, 100994416), (34, 56438056), (38, 50497208), (68, 28219028), (76, 25248604), (136, 14109514), (152, 12624302), (272, 7054757), (304, 6312151), (323, 5940848), (646, 2970424), (1292, 1485212), (2584, 742606), (5168, 371303)]