18310832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 40473600

約数和(自身を除く): 22162768

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 38, 58, 62, 67, 76, 116, 124, 134, 152, 232, 248, 268, 304, 464, 496, 536, 551, 589, 899, 1072, 1102, 1178, 1273, 1798, 1943, 2077, 2204, 2356, 2546, 3596, 3886, 4154, 4408, 4712, 5092, 7192, 7772, 8308, 8816, 9424, 10184, 14384, 15544, 16616, 17081, 20368, 31088, 33232, 34162, 36917, 39463, 60233, 68324, 73834, 78926, 120466, 136648, 147668, 157852, 240932, 273296, 295336, 315704, 481864, 590672, 631408, 963728, 1144427, 2288854, 4577708, 9155416, 18310832]

約数ペア:

[(1, 18310832), (2, 9155416), (4, 4577708), (8, 2288854), (16, 1144427), (19, 963728), (29, 631408), (31, 590672), (38, 481864), (58, 315704), (62, 295336), (67, 273296), (76, 240932), (116, 157852), (124, 147668), (134, 136648), (152, 120466), (232, 78926), (248, 73834), (268, 68324), (304, 60233), (464, 39463), (496, 36917), (536, 34162), (551, 33232), (589, 31088), (899, 20368), (1072, 17081), (1102, 16616), (1178, 15544), (1273, 14384), (1798, 10184), (1943, 9424), (2077, 8816), (2204, 8308), (2356, 7772), (2546, 7192), (3596, 5092), (3886, 4712), (4154, 4408)]