15720258

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 33566400

約数和(自身を除く): 17846142

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 219, 438, 1387, 1889, 2774, 3778, 4161, 5667, 8322, 11334, 35891, 71782, 107673, 137897, 215346, 275794, 413691, 827382, 2620043, 5240086, 7860129, 15720258]

約数ペア:

[(1, 15720258), (2, 7860129), (3, 5240086), (6, 2620043), (19, 827382), (38, 413691), (57, 275794), (73, 215346), (114, 137897), (146, 107673), (219, 71782), (438, 35891), (1387, 11334), (1889, 8322), (2774, 5667), (3778, 4161)]