18717976

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17570024

約数列:

[1, 2, 4, 8, 41, 82, 149, 164, 298, 328, 383, 596, 766, 1192, 1532, 3064, 6109, 12218, 15703, 24436, 31406, 48872, 57067, 62812, 114134, 125624, 228268, 456536, 2339747, 4679494, 9358988, 18717976]

約数ペア:

[(1, 18717976), (2, 9358988), (4, 4679494), (8, 2339747), (41, 456536), (82, 228268), (149, 125624), (164, 114134), (298, 62812), (328, 57067), (383, 48872), (596, 31406), (766, 24436), (1192, 15703), (1532, 12218), (3064, 6109)]