19995234

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:2999

約数の個数: 48

約数和(自身を含む): 48558528

約数和(自身を除く): 28563294

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 483, 966, 1127, 2254, 2957, 3381, 5914, 6762, 8871, 17742, 20699, 41398, 62097, 68011, 124194, 136022, 144893, 204033, 289786, 408066, 434679, 476077, 869358, 952154, 1428231, 2856462, 3332539, 6665078, 9997617, 19995234]

約数ペア:

[(1, 19995234), (2, 9997617), (3, 6665078), (6, 3332539), (7, 2856462), (14, 1428231), (21, 952154), (23, 869358), (42, 476077), (46, 434679), (49, 408066), (69, 289786), (98, 204033), (138, 144893), (147, 136022), (161, 124194), (294, 68011), (322, 62097), (483, 41398), (966, 20699), (1127, 17742), (2254, 8871), (2957, 6762), (3381, 5914)]