19220201

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 26536464

約数和(自身を除く): 7316263

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 169, 211, 539, 637, 1001, 1183, 1477, 1859, 2321, 2743, 7007, 8281, 10339, 13013, 16247, 19201, 30173, 35659, 91091, 113729, 134407, 211211, 249613, 392249, 1478477, 1747291, 2745743, 19220201]

約数ペア:

[(1, 19220201), (7, 2745743), (11, 1747291), (13, 1478477), (49, 392249), (77, 249613), (91, 211211), (143, 134407), (169, 113729), (211, 91091), (539, 35659), (637, 30173), (1001, 19201), (1183, 16247), (1477, 13013), (1859, 10339), (2321, 8281), (2743, 7007)]