18888941750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{30577}}^1$

素因数の和:30954

約数の個数: 64

約数和(自身を含む): 40527347328

約数和(自身を除く): 21638405578

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 353, 706, 875, 1750, 1765, 2471, 3530, 4942, 8825, 12355, 17650, 24710, 30577, 44125, 61154, 61775, 88250, 123550, 152885, 214039, 305770, 308875, 428078, 617750, 764425, 1070195, 1528850, 2140390, 3822125, 5350975, 7644250, 10701950, 10793681, 21587362, 26754875, 53509750, 53968405, 75555767, 107936810, 151111534, 269842025, 377778835, 539684050, 755557670, 1349210125, 1888894175, 2698420250, 3777788350, 9444470875, 18888941750]

約数ペア:

[(1, 18888941750), (2, 9444470875), (5, 3777788350), (7, 2698420250), (10, 1888894175), (14, 1349210125), (25, 755557670), (35, 539684050), (50, 377778835), (70, 269842025), (125, 151111534), (175, 107936810), (250, 75555767), (350, 53968405), (353, 53509750), (706, 26754875), (875, 21587362), (1750, 10793681), (1765, 10701950), (2471, 7644250), (3530, 5350975), (4942, 3822125), (8825, 2140390), (12355, 1528850), (17650, 1070195), (24710, 764425), (30577, 617750), (44125, 428078), (61154, 308875), (61775, 305770), (88250, 214039), (123550, 152885)]