15861428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18973}}^1$

素因数の和:19007

約数の個数: 24

約数和(自身を含む): 31876320

約数和(自身を除く): 16014892

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 18973, 37946, 75892, 208703, 360487, 417406, 720974, 834812, 1441948, 3965357, 7930714, 15861428]

約数ペア:

[(1, 15861428), (2, 7930714), (4, 3965357), (11, 1441948), (19, 834812), (22, 720974), (38, 417406), (44, 360487), (76, 208703), (209, 75892), (418, 37946), (836, 18973)]