18987246

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23469714

約数列:

[1, 2, 3, 6, 9, 18, 71, 83, 142, 166, 179, 213, 249, 358, 426, 498, 537, 639, 747, 1074, 1278, 1494, 1611, 3222, 5893, 11786, 12709, 14857, 17679, 25418, 29714, 35358, 38127, 44571, 53037, 76254, 89142, 106074, 114381, 133713, 228762, 267426, 1054847, 2109694, 3164541, 6329082, 9493623, 18987246]

約数ペア:

[(1, 18987246), (2, 9493623), (3, 6329082), (6, 3164541), (9, 2109694), (18, 1054847), (71, 267426), (83, 228762), (142, 133713), (166, 114381), (179, 106074), (213, 89142), (249, 76254), (358, 53037), (426, 44571), (498, 38127), (537, 35358), (639, 29714), (747, 25418), (1074, 17679), (1278, 14857), (1494, 12709), (1611, 11786), (3222, 5893)]