19931688

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 62674560

約数和(自身を除く): 42742872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 71, 72, 84, 126, 142, 168, 213, 252, 284, 426, 497, 504, 557, 568, 639, 852, 994, 1114, 1278, 1491, 1671, 1704, 1988, 2228, 2556, 2982, 3342, 3899, 3976, 4456, 4473, 5013, 5112, 5964, 6684, 7798, 8946, 10026, 11697, 11928, 13368, 15596, 17892, 20052, 23394, 31192, 35091, 35784, 39547, 40104, 46788, 70182, 79094, 93576, 118641, 140364, 158188, 237282, 276829, 280728, 316376, 355923, 474564, 553658, 711846, 830487, 949128, 1107316, 1423692, 1660974, 2214632, 2491461, 2847384, 3321948, 4982922, 6643896, 9965844, 19931688]

約数ペア:

[(1, 19931688), (2, 9965844), (3, 6643896), (4, 4982922), (6, 3321948), (7, 2847384), (8, 2491461), (9, 2214632), (12, 1660974), (14, 1423692), (18, 1107316), (21, 949128), (24, 830487), (28, 711846), (36, 553658), (42, 474564), (56, 355923), (63, 316376), (71, 280728), (72, 276829), (84, 237282), (126, 158188), (142, 140364), (168, 118641), (213, 93576), (252, 79094), (284, 70182), (426, 46788), (497, 40104), (504, 39547), (557, 35784), (568, 35091), (639, 31192), (852, 23394), (994, 20052), (1114, 17892), (1278, 15596), (1491, 13368), (1671, 11928), (1704, 11697), (1988, 10026), (2228, 8946), (2556, 7798), (2982, 6684), (3342, 5964), (3899, 5112), (3976, 5013), (4456, 4473)]