18993636

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2477}}^1$

素因数の和:2561

約数の個数: 48

約数和(自身を含む): 49956480

約数和(自身を除く): 30962844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2477, 2556, 3834, 4954, 7431, 7668, 9908, 14862, 22293, 29724, 44586, 66879, 89172, 133758, 175867, 267516, 351734, 527601, 703468, 1055202, 1582803, 2110404, 3165606, 4748409, 6331212, 9496818, 18993636]

約数ペア:

[(1, 18993636), (2, 9496818), (3, 6331212), (4, 4748409), (6, 3165606), (9, 2110404), (12, 1582803), (18, 1055202), (27, 703468), (36, 527601), (54, 351734), (71, 267516), (108, 175867), (142, 133758), (213, 89172), (284, 66879), (426, 44586), (639, 29724), (852, 22293), (1278, 14862), (1917, 9908), (2477, 7668), (2556, 7431), (3834, 4954)]