19996334008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{1021}}^1$

素因数の和:1365

約数の個数: 128

約数和(自身を含む): 45916416000

約数和(自身を除く): 25920081992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 79, 133, 152, 158, 233, 266, 316, 466, 532, 553, 632, 932, 1021, 1064, 1106, 1501, 1631, 1864, 2042, 2212, 3002, 3262, 4084, 4424, 4427, 6004, 6524, 7147, 8168, 8854, 10507, 12008, 13048, 14294, 17708, 18407, 19399, 21014, 28588, 30989, 35416, 36814, 38798, 42028, 57176, 61978, 73628, 77596, 80659, 84056, 123956, 128849, 135793, 147256, 155192, 161318, 237893, 247912, 257698, 271586, 322636, 349733, 475786, 515396, 543172, 564613, 645272, 699466, 951572, 1030792, 1086344, 1129226, 1398932, 1532521, 1665251, 1903144, 2258452, 2448131, 2797864, 3065042, 3330502, 4516904, 4519967, 4896262, 6130084, 6661004, 9039934, 9792524, 10727647, 12260168, 13322008, 18079868, 18793547, 19585048, 21455294, 31639769, 36159736, 37587094, 42910588, 63279538, 75174188, 85821176, 126559076, 131554829, 150348376, 253118152, 263109658, 357077393, 526219316, 714154786, 1052438632, 1428309572, 2499541751, 2856619144, 4999083502, 9998167004, 19996334008]

約数ペア:

[(1, 19996334008), (2, 9998167004), (4, 4999083502), (7, 2856619144), (8, 2499541751), (14, 1428309572), (19, 1052438632), (28, 714154786), (38, 526219316), (56, 357077393), (76, 263109658), (79, 253118152), (133, 150348376), (152, 131554829), (158, 126559076), (233, 85821176), (266, 75174188), (316, 63279538), (466, 42910588), (532, 37587094), (553, 36159736), (632, 31639769), (932, 21455294), (1021, 19585048), (1064, 18793547), (1106, 18079868), (1501, 13322008), (1631, 12260168), (1864, 10727647), (2042, 9792524), (2212, 9039934), (3002, 6661004), (3262, 6130084), (4084, 4896262), (4424, 4519967), (4427, 4516904), (6004, 3330502), (6524, 3065042), (7147, 2797864), (8168, 2448131), (8854, 2258452), (10507, 1903144), (12008, 1665251), (13048, 1532521), (14294, 1398932), (17708, 1129226), (18407, 1086344), (19399, 1030792), (21014, 951572), (28588, 699466), (30989, 645272), (35416, 564613), (36814, 543172), (38798, 515396), (42028, 475786), (57176, 349733), (61978, 322636), (73628, 271586), (77596, 257698), (80659, 247912), (84056, 237893), (123956, 161318), (128849, 155192), (135793, 147256)]