19419876

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 108

約数和(自身を含む): 58198140

約数和(自身を除く): 38778264

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 101, 109, 126, 147, 196, 202, 218, 252, 294, 303, 327, 404, 436, 441, 588, 606, 654, 707, 763, 882, 909, 981, 1212, 1308, 1414, 1526, 1764, 1818, 1962, 2121, 2289, 2828, 3052, 3636, 3924, 4242, 4578, 4949, 5341, 6363, 6867, 8484, 9156, 9898, 10682, 11009, 12726, 13734, 14847, 16023, 19796, 21364, 22018, 25452, 27468, 29694, 32046, 33027, 44036, 44541, 48069, 59388, 64092, 66054, 77063, 89082, 96138, 99081, 132108, 154126, 178164, 192276, 198162, 231189, 308252, 396324, 462378, 539441, 693567, 924756, 1078882, 1387134, 1618323, 2157764, 2774268, 3236646, 4854969, 6473292, 9709938, 19419876]

約数ペア:

[(1, 19419876), (2, 9709938), (3, 6473292), (4, 4854969), (6, 3236646), (7, 2774268), (9, 2157764), (12, 1618323), (14, 1387134), (18, 1078882), (21, 924756), (28, 693567), (36, 539441), (42, 462378), (49, 396324), (63, 308252), (84, 231189), (98, 198162), (101, 192276), (109, 178164), (126, 154126), (147, 132108), (196, 99081), (202, 96138), (218, 89082), (252, 77063), (294, 66054), (303, 64092), (327, 59388), (404, 48069), (436, 44541), (441, 44036), (588, 33027), (606, 32046), (654, 29694), (707, 27468), (763, 25452), (882, 22018), (909, 21364), (981, 19796), (1212, 16023), (1308, 14847), (1414, 13734), (1526, 12726), (1764, 11009), (1818, 10682), (1962, 9898), (2121, 9156), (2289, 8484), (2828, 6867), (3052, 6363), (3636, 5341), (3924, 4949), (4242, 4578)]