18390680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:889

約数の個数: 96

約数和(自身を含む): 52572240

約数和(自身を除く): 34181560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 853, 980, 1078, 1540, 1706, 1960, 2156, 2695, 3080, 3412, 4265, 4312, 5390, 5971, 6824, 8530, 9383, 10780, 11942, 17060, 18766, 21560, 23884, 29855, 34120, 37532, 41797, 46915, 47768, 59710, 65681, 75064, 83594, 93830, 119420, 131362, 167188, 187660, 208985, 238840, 262724, 328405, 334376, 375320, 417970, 459767, 525448, 656810, 835940, 919534, 1313620, 1671880, 1839068, 2298835, 2627240, 3678136, 4597670, 9195340, 18390680]

約数ペア:

[(1, 18390680), (2, 9195340), (4, 4597670), (5, 3678136), (7, 2627240), (8, 2298835), (10, 1839068), (11, 1671880), (14, 1313620), (20, 919534), (22, 835940), (28, 656810), (35, 525448), (40, 459767), (44, 417970), (49, 375320), (55, 334376), (56, 328405), (70, 262724), (77, 238840), (88, 208985), (98, 187660), (110, 167188), (140, 131362), (154, 119420), (196, 93830), (220, 83594), (245, 75064), (280, 65681), (308, 59710), (385, 47768), (392, 46915), (440, 41797), (490, 37532), (539, 34120), (616, 29855), (770, 23884), (853, 21560), (980, 18766), (1078, 17060), (1540, 11942), (1706, 10780), (1960, 9383), (2156, 8530), (2695, 6824), (3080, 5971), (3412, 5390), (4265, 4312)]