19191200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 56246400

約数和(自身を除く): 37055200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 149, 160, 161, 175, 184, 200, 224, 230, 280, 298, 322, 350, 368, 400, 460, 560, 575, 596, 644, 700, 736, 745, 800, 805, 920, 1043, 1120, 1150, 1192, 1288, 1400, 1490, 1610, 1840, 2086, 2300, 2384, 2576, 2800, 2980, 3220, 3427, 3680, 3725, 4025, 4172, 4600, 4768, 5152, 5215, 5600, 5960, 6440, 6854, 7450, 8050, 8344, 9200, 10430, 11920, 12880, 13708, 14900, 16100, 16688, 17135, 18400, 20860, 23840, 23989, 25760, 26075, 27416, 29800, 32200, 33376, 34270, 41720, 47978, 52150, 54832, 59600, 64400, 68540, 83440, 85675, 95956, 104300, 109664, 119200, 119945, 128800, 137080, 166880, 171350, 191912, 208600, 239890, 274160, 342700, 383824, 417200, 479780, 548320, 599725, 685400, 767648, 834400, 959560, 1199450, 1370800, 1919120, 2398900, 2741600, 3838240, 4797800, 9595600, 19191200]

約数ペア:

[(1, 19191200), (2, 9595600), (4, 4797800), (5, 3838240), (7, 2741600), (8, 2398900), (10, 1919120), (14, 1370800), (16, 1199450), (20, 959560), (23, 834400), (25, 767648), (28, 685400), (32, 599725), (35, 548320), (40, 479780), (46, 417200), (50, 383824), (56, 342700), (70, 274160), (80, 239890), (92, 208600), (100, 191912), (112, 171350), (115, 166880), (140, 137080), (149, 128800), (160, 119945), (161, 119200), (175, 109664), (184, 104300), (200, 95956), (224, 85675), (230, 83440), (280, 68540), (298, 64400), (322, 59600), (350, 54832), (368, 52150), (400, 47978), (460, 41720), (560, 34270), (575, 33376), (596, 32200), (644, 29800), (700, 27416), (736, 26075), (745, 25760), (800, 23989), (805, 23840), (920, 20860), (1043, 18400), (1120, 17135), (1150, 16688), (1192, 16100), (1288, 14900), (1400, 13708), (1490, 12880), (1610, 11920), (1840, 10430), (2086, 9200), (2300, 8344), (2384, 8050), (2576, 7450), (2800, 6854), (2980, 6440), (3220, 5960), (3427, 5600), (3680, 5215), (3725, 5152), (4025, 4768), (4172, 4600)]