19398002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 33191424

約数和(自身を除く): 13793422

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 403, 533, 587, 806, 1066, 1174, 1271, 2542, 7631, 15262, 16523, 18197, 24067, 33046, 36394, 48134, 236561, 312871, 473122, 625742, 746077, 1492154, 9699001, 19398002]

約数ペア:

[(1, 19398002), (2, 9699001), (13, 1492154), (26, 746077), (31, 625742), (41, 473122), (62, 312871), (82, 236561), (403, 48134), (533, 36394), (587, 33046), (806, 24067), (1066, 18197), (1174, 16523), (1271, 15262), (2542, 7631)]