19416975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 34560288

約数和(自身を除く): 15143313

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 157, 255, 291, 425, 471, 485, 785, 1275, 1455, 1649, 2355, 2425, 2669, 3925, 4947, 7275, 8007, 8245, 11775, 13345, 15229, 24735, 40035, 41225, 45687, 66725, 76145, 123675, 200175, 228435, 258893, 380725, 776679, 1142175, 1294465, 3883395, 6472325, 19416975]

約数ペア:

[(1, 19416975), (3, 6472325), (5, 3883395), (15, 1294465), (17, 1142175), (25, 776679), (51, 380725), (75, 258893), (85, 228435), (97, 200175), (157, 123675), (255, 76145), (291, 66725), (425, 45687), (471, 41225), (485, 40035), (785, 24735), (1275, 15229), (1455, 13345), (1649, 11775), (2355, 8245), (2425, 8007), (2669, 7275), (3925, 4947)]