18950870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 35462016

約数和(自身を除く): 16511146

約数列:

[1, 2, 5, 10, 47, 61, 94, 122, 235, 305, 470, 610, 661, 1322, 2867, 3305, 5734, 6610, 14335, 28670, 31067, 40321, 62134, 80642, 155335, 201605, 310670, 403210, 1895087, 3790174, 9475435, 18950870]

約数ペア:

[(1, 18950870), (2, 9475435), (5, 3790174), (10, 1895087), (47, 403210), (61, 310670), (94, 201605), (122, 155335), (235, 80642), (305, 62134), (470, 40321), (610, 31067), (661, 28670), (1322, 14335), (2867, 6610), (3305, 5734)]