18890368

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 44553600

約数和(自身を除く): 25663232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 727, 812, 896, 928, 1454, 1624, 1856, 2908, 3248, 3712, 5089, 5816, 6496, 10178, 11632, 12992, 20356, 21083, 23264, 25984, 40712, 42166, 46528, 81424, 84332, 93056, 147581, 162848, 168664, 295162, 325696, 337328, 590324, 651392, 674656, 1180648, 1349312, 2361296, 2698624, 4722592, 9445184, 18890368]

約数ペア:

[(1, 18890368), (2, 9445184), (4, 4722592), (7, 2698624), (8, 2361296), (14, 1349312), (16, 1180648), (28, 674656), (29, 651392), (32, 590324), (56, 337328), (58, 325696), (64, 295162), (112, 168664), (116, 162848), (128, 147581), (203, 93056), (224, 84332), (232, 81424), (406, 46528), (448, 42166), (464, 40712), (727, 25984), (812, 23264), (896, 21083), (928, 20356), (1454, 12992), (1624, 11632), (1856, 10178), (2908, 6496), (3248, 5816), (3712, 5089)]