19357156

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 43436736

約数和(自身を除く): 24079580

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 71, 91, 98, 107, 142, 182, 196, 214, 284, 364, 428, 497, 637, 749, 923, 994, 1274, 1391, 1498, 1846, 1988, 2548, 2782, 2996, 3479, 3692, 5243, 5564, 6461, 6958, 7597, 9737, 10486, 12922, 13916, 15194, 19474, 20972, 25844, 30388, 38948, 45227, 53179, 68159, 90454, 98761, 106358, 136318, 180908, 197522, 212716, 272636, 372253, 395044, 691327, 744506, 1382654, 1489012, 2765308, 4839289, 9678578, 19357156]

約数ペア:

[(1, 19357156), (2, 9678578), (4, 4839289), (7, 2765308), (13, 1489012), (14, 1382654), (26, 744506), (28, 691327), (49, 395044), (52, 372253), (71, 272636), (91, 212716), (98, 197522), (107, 180908), (142, 136318), (182, 106358), (196, 98761), (214, 90454), (284, 68159), (364, 53179), (428, 45227), (497, 38948), (637, 30388), (749, 25844), (923, 20972), (994, 19474), (1274, 15194), (1391, 13916), (1498, 12922), (1846, 10486), (1988, 9737), (2548, 7597), (2782, 6958), (2996, 6461), (3479, 5564), (3692, 5243)]