1906393538

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 3494707200

約数和(自身を除く): 1588313662

約数列:

[1, 2, 7, 14, 19, 38, 133, 157, 191, 239, 266, 314, 382, 478, 1099, 1337, 1673, 2198, 2674, 2983, 3346, 3629, 4541, 5966, 7258, 9082, 20881, 25403, 29987, 31787, 37523, 41762, 45649, 50806, 59974, 63574, 75046, 91298, 209909, 262661, 319543, 419818, 525322, 569753, 639086, 712937, 867331, 1139506, 1425874, 1734662, 3988271, 4990559, 6071317, 7166893, 7976542, 9981118, 12142634, 14333786, 50168251, 100336502, 136170967, 272341934, 953196769, 1906393538]

約数ペア:

[(1, 1906393538), (2, 953196769), (7, 272341934), (14, 136170967), (19, 100336502), (38, 50168251), (133, 14333786), (157, 12142634), (191, 9981118), (239, 7976542), (266, 7166893), (314, 6071317), (382, 4990559), (478, 3988271), (1099, 1734662), (1337, 1425874), (1673, 1139506), (2198, 867331), (2674, 712937), (2983, 639086), (3346, 569753), (3629, 525322), (4541, 419818), (5966, 319543), (7258, 262661), (9082, 209909), (20881, 91298), (25403, 75046), (29987, 63574), (31787, 59974), (37523, 50806), (41762, 45649)]