11905780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 28227528

約数和(自身を除く): 16321748

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 97, 170, 190, 194, 323, 340, 361, 380, 388, 485, 646, 722, 970, 1292, 1444, 1615, 1649, 1805, 1843, 1940, 3230, 3298, 3610, 3686, 6137, 6460, 6596, 7220, 7372, 8245, 9215, 12274, 16490, 18430, 24548, 30685, 31331, 32980, 35017, 36860, 61370, 62662, 70034, 122740, 125324, 140068, 156655, 175085, 313310, 350170, 595289, 626620, 700340, 1190578, 2381156, 2976445, 5952890, 11905780]

約数ペア:

[(1, 11905780), (2, 5952890), (4, 2976445), (5, 2381156), (10, 1190578), (17, 700340), (19, 626620), (20, 595289), (34, 350170), (38, 313310), (68, 175085), (76, 156655), (85, 140068), (95, 125324), (97, 122740), (170, 70034), (190, 62662), (194, 61370), (323, 36860), (340, 35017), (361, 32980), (380, 31331), (388, 30685), (485, 24548), (646, 18430), (722, 16490), (970, 12274), (1292, 9215), (1444, 8245), (1615, 7372), (1649, 7220), (1805, 6596), (1843, 6460), (1940, 6137), (3230, 3686), (3298, 3610)]