18363904

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 22883456

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 89, 104, 124, 128, 178, 208, 248, 256, 356, 403, 416, 496, 512, 712, 806, 832, 992, 1157, 1424, 1612, 1664, 1984, 2314, 2759, 2848, 3224, 3328, 3968, 4628, 5518, 5696, 6448, 6656, 7936, 9256, 11036, 11392, 12896, 15872, 18512, 22072, 22784, 25792, 35867, 37024, 44144, 45568, 51584, 71734, 74048, 88288, 103168, 143468, 148096, 176576, 206336, 286936, 296192, 353152, 573872, 592384, 706304, 1147744, 1412608, 2295488, 4590976, 9181952, 18363904]

約数ペア:

[(1, 18363904), (2, 9181952), (4, 4590976), (8, 2295488), (13, 1412608), (16, 1147744), (26, 706304), (31, 592384), (32, 573872), (52, 353152), (62, 296192), (64, 286936), (89, 206336), (104, 176576), (124, 148096), (128, 143468), (178, 103168), (208, 88288), (248, 74048), (256, 71734), (356, 51584), (403, 45568), (416, 44144), (496, 37024), (512, 35867), (712, 25792), (806, 22784), (832, 22072), (992, 18512), (1157, 15872), (1424, 12896), (1612, 11392), (1664, 11036), (1984, 9256), (2314, 7936), (2759, 6656), (2848, 6448), (3224, 5696), (3328, 5518), (3968, 4628)]