18037760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:309

約数の個数: 88

約数和(自身を含む): 46769856

約数和(自身を除く): 28732096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 271, 320, 416, 512, 520, 542, 640, 832, 1024, 1040, 1084, 1280, 1355, 1664, 2080, 2168, 2560, 2710, 3328, 3523, 4160, 4336, 5120, 5420, 6656, 7046, 8320, 8672, 10840, 13312, 14092, 16640, 17344, 17615, 21680, 28184, 33280, 34688, 35230, 43360, 56368, 66560, 69376, 70460, 86720, 112736, 138752, 140920, 173440, 225472, 277504, 281840, 346880, 450944, 563680, 693760, 901888, 1127360, 1387520, 1803776, 2254720, 3607552, 4509440, 9018880, 18037760]

約数ペア:

[(1, 18037760), (2, 9018880), (4, 4509440), (5, 3607552), (8, 2254720), (10, 1803776), (13, 1387520), (16, 1127360), (20, 901888), (26, 693760), (32, 563680), (40, 450944), (52, 346880), (64, 281840), (65, 277504), (80, 225472), (104, 173440), (128, 140920), (130, 138752), (160, 112736), (208, 86720), (256, 70460), (260, 69376), (271, 66560), (320, 56368), (416, 43360), (512, 35230), (520, 34688), (542, 33280), (640, 28184), (832, 21680), (1024, 17615), (1040, 17344), (1084, 16640), (1280, 14092), (1355, 13312), (1664, 10840), (2080, 8672), (2168, 8320), (2560, 7046), (2710, 6656), (3328, 5420), (3523, 5120), (4160, 4336)]