18925900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1463

約数の個数: 72

約数和(自身を含む): 49441280

約数和(自身を除く): 30515380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1423, 1900, 2660, 2846, 3325, 5692, 6650, 7115, 9961, 13300, 14230, 19922, 27037, 28460, 35575, 39844, 49805, 54074, 71150, 99610, 108148, 135185, 142300, 189259, 199220, 249025, 270370, 378518, 498050, 540740, 675925, 757036, 946295, 996100, 1351850, 1892590, 2703700, 3785180, 4731475, 9462950, 18925900]

約数ペア:

[(1, 18925900), (2, 9462950), (4, 4731475), (5, 3785180), (7, 2703700), (10, 1892590), (14, 1351850), (19, 996100), (20, 946295), (25, 757036), (28, 675925), (35, 540740), (38, 498050), (50, 378518), (70, 270370), (76, 249025), (95, 199220), (100, 189259), (133, 142300), (140, 135185), (175, 108148), (190, 99610), (266, 71150), (350, 54074), (380, 49805), (475, 39844), (532, 35575), (665, 28460), (700, 27037), (950, 19922), (1330, 14230), (1423, 13300), (1900, 9961), (2660, 7115), (2846, 6650), (3325, 5692)]