20189020912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1\times {\mathrm{2251}}^1$

素因数の和:2622

約数の個数: 80

約数和(自身を含む): 41674971520

約数和(自身を除く): 21485950608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 181, 304, 326, 362, 652, 724, 1304, 1448, 2251, 2608, 2896, 3097, 3439, 4502, 6194, 6878, 9004, 12388, 13756, 18008, 24776, 27512, 29503, 36016, 42769, 49552, 55024, 59006, 85538, 118012, 171076, 236024, 342152, 366913, 407431, 472048, 560557, 684304, 733826, 814862, 1121114, 1467652, 1629724, 2242228, 2935304, 3259448, 4484456, 5870608, 6518896, 6971347, 7741189, 8968912, 13942694, 15482378, 27885388, 30964756, 55770776, 61929512, 66411253, 111541552, 123859024, 132822506, 265645012, 531290024, 1062580048, 1261813807, 2523627614, 5047255228, 10094510456, 20189020912]

約数ペア:

[(1, 20189020912), (2, 10094510456), (4, 5047255228), (8, 2523627614), (16, 1261813807), (19, 1062580048), (38, 531290024), (76, 265645012), (152, 132822506), (163, 123859024), (181, 111541552), (304, 66411253), (326, 61929512), (362, 55770776), (652, 30964756), (724, 27885388), (1304, 15482378), (1448, 13942694), (2251, 8968912), (2608, 7741189), (2896, 6971347), (3097, 6518896), (3439, 5870608), (4502, 4484456), (6194, 3259448), (6878, 2935304), (9004, 2242228), (12388, 1629724), (13756, 1467652), (18008, 1121114), (24776, 814862), (27512, 733826), (29503, 684304), (36016, 560557), (42769, 472048), (49552, 407431), (55024, 366913), (59006, 342152), (85538, 236024), (118012, 171076)]