19515090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 57968640

約数和(自身を除く): 38453550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 67, 70, 73, 95, 105, 114, 133, 134, 146, 190, 201, 210, 219, 266, 285, 335, 365, 399, 402, 438, 469, 511, 570, 665, 670, 730, 798, 938, 1005, 1022, 1095, 1273, 1330, 1387, 1407, 1533, 1995, 2010, 2190, 2345, 2546, 2555, 2774, 2814, 3066, 3819, 3990, 4161, 4690, 4891, 5110, 6365, 6935, 7035, 7638, 7665, 8322, 8911, 9709, 9782, 12730, 13870, 14070, 14673, 15330, 17822, 19095, 19418, 20805, 24455, 26733, 29127, 29346, 34237, 38190, 41610, 44555, 48545, 48910, 53466, 58254, 68474, 73365, 89110, 92929, 97090, 102711, 133665, 145635, 146730, 171185, 185858, 205422, 267330, 278787, 291270, 342370, 464645, 513555, 557574, 650503, 929290, 1027110, 1301006, 1393935, 1951509, 2787870, 3252515, 3903018, 6505030, 9757545, 19515090]

約数ペア:

[(1, 19515090), (2, 9757545), (3, 6505030), (5, 3903018), (6, 3252515), (7, 2787870), (10, 1951509), (14, 1393935), (15, 1301006), (19, 1027110), (21, 929290), (30, 650503), (35, 557574), (38, 513555), (42, 464645), (57, 342370), (67, 291270), (70, 278787), (73, 267330), (95, 205422), (105, 185858), (114, 171185), (133, 146730), (134, 145635), (146, 133665), (190, 102711), (201, 97090), (210, 92929), (219, 89110), (266, 73365), (285, 68474), (335, 58254), (365, 53466), (399, 48910), (402, 48545), (438, 44555), (469, 41610), (511, 38190), (570, 34237), (665, 29346), (670, 29127), (730, 26733), (798, 24455), (938, 20805), (1005, 19418), (1022, 19095), (1095, 17822), (1273, 15330), (1330, 14673), (1387, 14070), (1407, 13870), (1533, 12730), (1995, 9782), (2010, 9709), (2190, 8911), (2345, 8322), (2546, 7665), (2555, 7638), (2774, 7035), (2814, 6935), (3066, 6365), (3819, 5110), (3990, 4891), (4161, 4690)]