19702050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 53329920

約数和(自身を除く): 33627870

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 31, 38, 50, 57, 62, 75, 93, 95, 114, 150, 155, 186, 190, 223, 285, 310, 446, 465, 475, 570, 589, 669, 775, 930, 950, 1115, 1178, 1338, 1425, 1550, 1767, 2230, 2325, 2850, 2945, 3345, 3534, 4237, 4650, 5575, 5890, 6690, 6913, 8474, 8835, 11150, 12711, 13826, 14725, 16725, 17670, 20739, 21185, 25422, 29450, 33450, 34565, 41478, 42370, 44175, 63555, 69130, 88350, 103695, 105925, 127110, 131347, 172825, 207390, 211850, 262694, 317775, 345650, 394041, 518475, 635550, 656735, 788082, 1036950, 1313470, 1970205, 3283675, 3940410, 6567350, 9851025, 19702050]

約数ペア:

[(1, 19702050), (2, 9851025), (3, 6567350), (5, 3940410), (6, 3283675), (10, 1970205), (15, 1313470), (19, 1036950), (25, 788082), (30, 656735), (31, 635550), (38, 518475), (50, 394041), (57, 345650), (62, 317775), (75, 262694), (93, 211850), (95, 207390), (114, 172825), (150, 131347), (155, 127110), (186, 105925), (190, 103695), (223, 88350), (285, 69130), (310, 63555), (446, 44175), (465, 42370), (475, 41478), (570, 34565), (589, 33450), (669, 29450), (775, 25422), (930, 21185), (950, 20739), (1115, 17670), (1178, 16725), (1338, 14725), (1425, 13826), (1550, 12711), (1767, 11150), (2230, 8835), (2325, 8474), (2850, 6913), (2945, 6690), (3345, 5890), (3534, 5575), (4237, 4650)]