18993952

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 39517632

約数和(自身を除く): 20523680

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 131, 184, 197, 262, 368, 394, 524, 736, 788, 1048, 1576, 2096, 3013, 3152, 4192, 4531, 6026, 6304, 9062, 12052, 18124, 24104, 25807, 36248, 48208, 51614, 72496, 96416, 103228, 144992, 206456, 412912, 593561, 825824, 1187122, 2374244, 4748488, 9496976, 18993952]

約数ペア:

[(1, 18993952), (2, 9496976), (4, 4748488), (8, 2374244), (16, 1187122), (23, 825824), (32, 593561), (46, 412912), (92, 206456), (131, 144992), (184, 103228), (197, 96416), (262, 72496), (368, 51614), (394, 48208), (524, 36248), (736, 25807), (788, 24104), (1048, 18124), (1576, 12052), (2096, 9062), (3013, 6304), (3152, 6026), (4192, 4531)]