18961828

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 33929280

約数和(自身を除く): 14967452

約数列:

[1, 2, 4, 71, 142, 179, 284, 358, 373, 716, 746, 1492, 12709, 25418, 26483, 50836, 52966, 66767, 105932, 133534, 267068, 4740457, 9480914, 18961828]

約数ペア:

[(1, 18961828), (2, 9480914), (4, 4740457), (71, 267068), (142, 133534), (179, 105932), (284, 66767), (358, 52966), (373, 50836), (716, 26483), (746, 25418), (1492, 12709)]