18446000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 46657728

約数和(自身を除く): 28211728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 401, 460, 500, 575, 802, 920, 1000, 1150, 1604, 1840, 2000, 2005, 2300, 2875, 3208, 4010, 4600, 5750, 6416, 8020, 9200, 9223, 10025, 11500, 16040, 18446, 20050, 23000, 32080, 36892, 40100, 46000, 46115, 50125, 73784, 80200, 92230, 100250, 147568, 160400, 184460, 200500, 230575, 368920, 401000, 461150, 737840, 802000, 922300, 1152875, 1844600, 2305750, 3689200, 4611500, 9223000, 18446000]

約数ペア:

[(1, 18446000), (2, 9223000), (4, 4611500), (5, 3689200), (8, 2305750), (10, 1844600), (16, 1152875), (20, 922300), (23, 802000), (25, 737840), (40, 461150), (46, 401000), (50, 368920), (80, 230575), (92, 200500), (100, 184460), (115, 160400), (125, 147568), (184, 100250), (200, 92230), (230, 80200), (250, 73784), (368, 50125), (400, 46115), (401, 46000), (460, 40100), (500, 36892), (575, 32080), (802, 23000), (920, 20050), (1000, 18446), (1150, 16040), (1604, 11500), (1840, 10025), (2000, 9223), (2005, 9200), (2300, 8020), (2875, 6416), (3208, 5750), (4010, 4600)]