19721962

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 35048160

約数和(自身を除く): 15326198

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 83, 166, 169, 247, 338, 481, 494, 703, 962, 1079, 1406, 1577, 2158, 3071, 3154, 3211, 6142, 6253, 6422, 9139, 12506, 14027, 18278, 20501, 28054, 39923, 41002, 58349, 79846, 116698, 118807, 237614, 266513, 518999, 533026, 758537, 1037998, 1517074, 9860981, 19721962]

約数ペア:

[(1, 19721962), (2, 9860981), (13, 1517074), (19, 1037998), (26, 758537), (37, 533026), (38, 518999), (74, 266513), (83, 237614), (166, 118807), (169, 116698), (247, 79846), (338, 58349), (481, 41002), (494, 39923), (703, 28054), (962, 20501), (1079, 18278), (1406, 14027), (1577, 12506), (2158, 9139), (3071, 6422), (3154, 6253), (3211, 6142)]