18678784

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 88

約数和(自身を含む): 42004440

約数和(自身を除く): 23325656

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 37, 58, 64, 68, 74, 116, 128, 136, 148, 232, 256, 272, 296, 464, 493, 512, 544, 592, 629, 928, 986, 1024, 1073, 1088, 1184, 1258, 1856, 1972, 2146, 2176, 2368, 2516, 3712, 3944, 4292, 4352, 4736, 5032, 7424, 7888, 8584, 8704, 9472, 10064, 14848, 15776, 17168, 17408, 18241, 18944, 20128, 29696, 31552, 34336, 36482, 37888, 40256, 63104, 68672, 72964, 80512, 126208, 137344, 145928, 161024, 252416, 274688, 291856, 322048, 504832, 549376, 583712, 644096, 1098752, 1167424, 2334848, 4669696, 9339392, 18678784]

約数ペア:

[(1, 18678784), (2, 9339392), (4, 4669696), (8, 2334848), (16, 1167424), (17, 1098752), (29, 644096), (32, 583712), (34, 549376), (37, 504832), (58, 322048), (64, 291856), (68, 274688), (74, 252416), (116, 161024), (128, 145928), (136, 137344), (148, 126208), (232, 80512), (256, 72964), (272, 68672), (296, 63104), (464, 40256), (493, 37888), (512, 36482), (544, 34336), (592, 31552), (629, 29696), (928, 20128), (986, 18944), (1024, 18241), (1073, 17408), (1088, 17168), (1184, 15776), (1258, 14848), (1856, 10064), (1972, 9472), (2146, 8704), (2176, 8584), (2368, 7888), (2516, 7424), (3712, 5032), (3944, 4736), (4292, 4352)]