18419688

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 60821280

約数和(自身を除く): 42401592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 227, 252, 276, 294, 322, 392, 414, 441, 454, 483, 504, 552, 588, 644, 681, 828, 882, 908, 966, 1127, 1176, 1288, 1362, 1449, 1589, 1656, 1764, 1816, 1932, 2043, 2254, 2724, 2898, 3178, 3381, 3528, 3864, 4086, 4508, 4767, 5221, 5448, 5796, 6356, 6762, 8172, 9016, 9534, 10143, 10442, 11123, 11592, 12712, 13524, 14301, 15663, 16344, 19068, 20286, 20884, 22246, 27048, 28602, 31326, 33369, 36547, 38136, 40572, 41768, 44492, 46989, 57204, 62652, 66738, 73094, 81144, 88984, 93978, 100107, 109641, 114408, 125304, 133476, 146188, 187956, 200214, 219282, 255829, 266952, 292376, 328923, 375912, 400428, 438564, 511658, 657846, 767487, 800856, 877128, 1023316, 1315692, 1534974, 2046632, 2302461, 2631384, 3069948, 4604922, 6139896, 9209844, 18419688]

約数ペア:

[(1, 18419688), (2, 9209844), (3, 6139896), (4, 4604922), (6, 3069948), (7, 2631384), (8, 2302461), (9, 2046632), (12, 1534974), (14, 1315692), (18, 1023316), (21, 877128), (23, 800856), (24, 767487), (28, 657846), (36, 511658), (42, 438564), (46, 400428), (49, 375912), (56, 328923), (63, 292376), (69, 266952), (72, 255829), (84, 219282), (92, 200214), (98, 187956), (126, 146188), (138, 133476), (147, 125304), (161, 114408), (168, 109641), (184, 100107), (196, 93978), (207, 88984), (227, 81144), (252, 73094), (276, 66738), (294, 62652), (322, 57204), (392, 46989), (414, 44492), (441, 41768), (454, 40572), (483, 38136), (504, 36547), (552, 33369), (588, 31326), (644, 28602), (681, 27048), (828, 22246), (882, 20884), (908, 20286), (966, 19068), (1127, 16344), (1176, 15663), (1288, 14301), (1362, 13524), (1449, 12712), (1589, 11592), (1656, 11123), (1764, 10442), (1816, 10143), (1932, 9534), (2043, 9016), (2254, 8172), (2724, 6762), (2898, 6356), (3178, 5796), (3381, 5448), (3528, 5221), (3864, 4767), (4086, 4508)]