19118242

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 34856640

約数和(自身を除く): 15738398

約数列:

[1, 2, 11, 13, 22, 26, 59, 103, 118, 121, 143, 206, 242, 286, 649, 767, 1133, 1298, 1339, 1534, 1573, 2266, 2678, 3146, 6077, 7139, 8437, 12154, 12463, 14278, 14729, 16874, 24926, 29458, 66847, 79001, 92807, 133694, 158002, 162019, 185614, 324038, 735317, 869011, 1470634, 1738022, 9559121, 19118242]

約数ペア:

[(1, 19118242), (2, 9559121), (11, 1738022), (13, 1470634), (22, 869011), (26, 735317), (59, 324038), (103, 185614), (118, 162019), (121, 158002), (143, 133694), (206, 92807), (242, 79001), (286, 66847), (649, 29458), (767, 24926), (1133, 16874), (1298, 14729), (1339, 14278), (1534, 12463), (1573, 12154), (2266, 8437), (2678, 7139), (3146, 6077)]