18849558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 51609600

約数和(自身を除く): 32760042

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 23, 26, 38, 39, 42, 46, 57, 69, 78, 79, 91, 114, 133, 138, 158, 161, 182, 237, 247, 266, 273, 299, 322, 399, 437, 474, 483, 494, 546, 553, 598, 741, 798, 874, 897, 966, 1027, 1106, 1311, 1482, 1501, 1659, 1729, 1794, 1817, 2054, 2093, 2622, 3002, 3059, 3081, 3318, 3458, 3634, 4186, 4503, 5187, 5451, 5681, 6118, 6162, 6279, 7189, 9006, 9177, 10374, 10507, 10902, 11362, 12558, 12719, 14378, 17043, 18354, 19513, 21014, 21567, 23621, 25438, 31521, 34086, 34523, 38157, 39026, 39767, 43134, 47242, 58539, 63042, 69046, 70863, 76314, 79534, 103569, 117078, 119301, 136591, 141726, 165347, 207138, 238602, 241661, 273182, 330694, 409773, 448799, 483322, 496041, 724983, 819546, 897598, 992082, 1346397, 1449966, 2692794, 3141593, 6283186, 9424779, 18849558]

約数ペア:

[(1, 18849558), (2, 9424779), (3, 6283186), (6, 3141593), (7, 2692794), (13, 1449966), (14, 1346397), (19, 992082), (21, 897598), (23, 819546), (26, 724983), (38, 496041), (39, 483322), (42, 448799), (46, 409773), (57, 330694), (69, 273182), (78, 241661), (79, 238602), (91, 207138), (114, 165347), (133, 141726), (138, 136591), (158, 119301), (161, 117078), (182, 103569), (237, 79534), (247, 76314), (266, 70863), (273, 69046), (299, 63042), (322, 58539), (399, 47242), (437, 43134), (474, 39767), (483, 39026), (494, 38157), (546, 34523), (553, 34086), (598, 31521), (741, 25438), (798, 23621), (874, 21567), (897, 21014), (966, 19513), (1027, 18354), (1106, 17043), (1311, 14378), (1482, 12719), (1501, 12558), (1659, 11362), (1729, 10902), (1794, 10507), (1817, 10374), (2054, 9177), (2093, 9006), (2622, 7189), (3002, 6279), (3059, 6162), (3081, 6118), (3318, 5681), (3458, 5451), (3634, 5187), (4186, 4503)]