18939888

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1087}}^1$

素因数の和:1123

約数の個数: 90

約数和(自身を含む): 58315712

約数和(自身を除く): 39375824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1087, 1089, 1452, 1584, 1936, 2174, 2178, 2904, 3261, 4348, 4356, 5808, 6522, 8696, 8712, 9783, 11957, 13044, 17392, 17424, 19566, 23914, 26088, 35871, 39132, 47828, 52176, 71742, 78264, 95656, 107613, 131527, 143484, 156528, 191312, 215226, 263054, 286968, 394581, 430452, 526108, 573936, 789162, 860904, 1052216, 1183743, 1578324, 1721808, 2104432, 2367486, 3156648, 4734972, 6313296, 9469944, 18939888]

約数ペア:

[(1, 18939888), (2, 9469944), (3, 6313296), (4, 4734972), (6, 3156648), (8, 2367486), (9, 2104432), (11, 1721808), (12, 1578324), (16, 1183743), (18, 1052216), (22, 860904), (24, 789162), (33, 573936), (36, 526108), (44, 430452), (48, 394581), (66, 286968), (72, 263054), (88, 215226), (99, 191312), (121, 156528), (132, 143484), (144, 131527), (176, 107613), (198, 95656), (242, 78264), (264, 71742), (363, 52176), (396, 47828), (484, 39132), (528, 35871), (726, 26088), (792, 23914), (968, 19566), (1087, 17424), (1089, 17392), (1452, 13044), (1584, 11957), (1936, 9783), (2174, 8712), (2178, 8696), (2904, 6522), (3261, 5808), (4348, 4356)]