18313487907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{937}}^1\times {\mathrm{1571}}^1$

素因数の和:2564

約数の個数: 64

約数和(自身を含む): 29726645760

約数和(自身を除く): 11413157853

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 937, 957, 1131, 1571, 2811, 4147, 4713, 10307, 12181, 12441, 17281, 20423, 27173, 30921, 36543, 45559, 51843, 61269, 81519, 133991, 136677, 224653, 298903, 353249, 401973, 501149, 592267, 673959, 896709, 1059747, 1472027, 1503447, 1776801, 3885739, 4416081, 6514937, 11657217, 16192297, 19136351, 19544811, 42688783, 48576891, 57409053, 128066349, 210499861, 469576613, 554954179, 631499583, 1408729839, 1664862537, 6104495969, 18313487907]

約数ペア:

[(1, 18313487907), (3, 6104495969), (11, 1664862537), (13, 1408729839), (29, 631499583), (33, 554954179), (39, 469576613), (87, 210499861), (143, 128066349), (319, 57409053), (377, 48576891), (429, 42688783), (937, 19544811), (957, 19136351), (1131, 16192297), (1571, 11657217), (2811, 6514937), (4147, 4416081), (4713, 3885739), (10307, 1776801), (12181, 1503447), (12441, 1472027), (17281, 1059747), (20423, 896709), (27173, 673959), (30921, 592267), (36543, 501149), (45559, 401973), (51843, 353249), (61269, 298903), (81519, 224653), (133991, 136677)]