18933408

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 108

約数和(自身を含む): 58452030

約数和(自身を除く): 39518622

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 169, 208, 234, 288, 312, 338, 389, 416, 468, 507, 624, 676, 778, 936, 1014, 1167, 1248, 1352, 1521, 1556, 1872, 2028, 2334, 2704, 3042, 3112, 3501, 3744, 4056, 4668, 5057, 5408, 6084, 6224, 7002, 8112, 9336, 10114, 12168, 12448, 14004, 15171, 16224, 18672, 20228, 24336, 28008, 30342, 37344, 40456, 45513, 48672, 56016, 60684, 65741, 80912, 91026, 112032, 121368, 131482, 161824, 182052, 197223, 242736, 262964, 364104, 394446, 485472, 525928, 591669, 728208, 788892, 1051856, 1183338, 1456416, 1577784, 2103712, 2366676, 3155568, 4733352, 6311136, 9466704, 18933408]

約数ペア:

[(1, 18933408), (2, 9466704), (3, 6311136), (4, 4733352), (6, 3155568), (8, 2366676), (9, 2103712), (12, 1577784), (13, 1456416), (16, 1183338), (18, 1051856), (24, 788892), (26, 728208), (32, 591669), (36, 525928), (39, 485472), (48, 394446), (52, 364104), (72, 262964), (78, 242736), (96, 197223), (104, 182052), (117, 161824), (144, 131482), (156, 121368), (169, 112032), (208, 91026), (234, 80912), (288, 65741), (312, 60684), (338, 56016), (389, 48672), (416, 45513), (468, 40456), (507, 37344), (624, 30342), (676, 28008), (778, 24336), (936, 20228), (1014, 18672), (1167, 16224), (1248, 15171), (1352, 14004), (1521, 12448), (1556, 12168), (1872, 10114), (2028, 9336), (2334, 8112), (2704, 7002), (3042, 6224), (3112, 6084), (3501, 5408), (3744, 5057), (4056, 4668)]