18851616

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{1039}}^1$

素因数の和:1068

約数の個数: 120

約数和(自身を含む): 63423360

約数和(自身を除く): 44571744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 378, 432, 504, 567, 648, 672, 756, 864, 1008, 1039, 1134, 1296, 1512, 2016, 2078, 2268, 2592, 3024, 3117, 4156, 4536, 6048, 6234, 7273, 8312, 9072, 9351, 12468, 14546, 16624, 18144, 18702, 21819, 24936, 28053, 29092, 33248, 37404, 43638, 49872, 56106, 58184, 65457, 74808, 84159, 87276, 99744, 112212, 116368, 130914, 149616, 168318, 174552, 196371, 224424, 232736, 261828, 299232, 336636, 349104, 392742, 448848, 523656, 589113, 673272, 698208, 785484, 897696, 1047312, 1178226, 1346544, 1570968, 2094624, 2356452, 2693088, 3141936, 4712904, 6283872, 9425808, 18851616]

約数ペア:

[(1, 18851616), (2, 9425808), (3, 6283872), (4, 4712904), (6, 3141936), (7, 2693088), (8, 2356452), (9, 2094624), (12, 1570968), (14, 1346544), (16, 1178226), (18, 1047312), (21, 897696), (24, 785484), (27, 698208), (28, 673272), (32, 589113), (36, 523656), (42, 448848), (48, 392742), (54, 349104), (56, 336636), (63, 299232), (72, 261828), (81, 232736), (84, 224424), (96, 196371), (108, 174552), (112, 168318), (126, 149616), (144, 130914), (162, 116368), (168, 112212), (189, 99744), (216, 87276), (224, 84159), (252, 74808), (288, 65457), (324, 58184), (336, 56106), (378, 49872), (432, 43638), (504, 37404), (567, 33248), (648, 29092), (672, 28053), (756, 24936), (864, 21819), (1008, 18702), (1039, 18144), (1134, 16624), (1296, 14546), (1512, 12468), (2016, 9351), (2078, 9072), (2268, 8312), (2592, 7273), (3024, 6234), (3117, 6048), (4156, 4536)]