18389358

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 43439760

約数和(自身を除く): 25050402

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 883, 1157, 1602, 1766, 2314, 2649, 3471, 5298, 6942, 7947, 10413, 11479, 15894, 20826, 22958, 34437, 68874, 78587, 103311, 157174, 206622, 235761, 471522, 707283, 1021631, 1414566, 2043262, 3064893, 6129786, 9194679, 18389358]

約数ペア:

[(1, 18389358), (2, 9194679), (3, 6129786), (6, 3064893), (9, 2043262), (13, 1414566), (18, 1021631), (26, 707283), (39, 471522), (78, 235761), (89, 206622), (117, 157174), (178, 103311), (234, 78587), (267, 68874), (534, 34437), (801, 22958), (883, 20826), (1157, 15894), (1602, 11479), (1766, 10413), (2314, 7947), (2649, 6942), (3471, 5298)]