18449934020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{475759}}^1$

素因数の和:476052

約数の個数: 48

約数和(自身を含む): 44439790080

約数和(自身を除く): 25989856060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 5540, 7756, 9695, 19390, 38780, 475759, 951518, 1903036, 2378795, 3330313, 4757590, 6660626, 9515180, 13321252, 16651565, 33303130, 66606260, 131785243, 263570486, 527140972, 658926215, 922496701, 1317852430, 1844993402, 2635704860, 3689986804, 4612483505, 9224967010, 18449934020]

約数ペア:

[(1, 18449934020), (2, 9224967010), (4, 4612483505), (5, 3689986804), (7, 2635704860), (10, 1844993402), (14, 1317852430), (20, 922496701), (28, 658926215), (35, 527140972), (70, 263570486), (140, 131785243), (277, 66606260), (554, 33303130), (1108, 16651565), (1385, 13321252), (1939, 9515180), (2770, 6660626), (3878, 4757590), (5540, 3330313), (7756, 2378795), (9695, 1903036), (19390, 951518), (38780, 475759)]