18467072

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 41207040

約数和(自身を除く): 22739968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 179, 208, 248, 256, 358, 403, 416, 496, 716, 806, 832, 992, 1432, 1612, 1664, 1984, 2327, 2864, 3224, 3328, 3968, 4654, 5549, 5728, 6448, 7936, 9308, 11098, 11456, 12896, 18616, 22196, 22912, 25792, 37232, 44392, 45824, 51584, 72137, 74464, 88784, 103168, 144274, 148928, 177568, 288548, 297856, 355136, 577096, 595712, 710272, 1154192, 1420544, 2308384, 4616768, 9233536, 18467072]

約数ペア:

[(1, 18467072), (2, 9233536), (4, 4616768), (8, 2308384), (13, 1420544), (16, 1154192), (26, 710272), (31, 595712), (32, 577096), (52, 355136), (62, 297856), (64, 288548), (104, 177568), (124, 148928), (128, 144274), (179, 103168), (208, 88784), (248, 74464), (256, 72137), (358, 51584), (403, 45824), (416, 44392), (496, 37232), (716, 25792), (806, 22912), (832, 22196), (992, 18616), (1432, 12896), (1612, 11456), (1664, 11098), (1984, 9308), (2327, 7936), (2864, 6448), (3224, 5728), (3328, 5549), (3968, 4654)]