1999840428

素因数分解:

$2^2\times 3^5\times {\mathrm{263}}^1\times {\mathrm{7823}}^1$

素因数の和:8105

約数の個数: 72

約数和(自身を含む): 5262985728

約数和(自身を除く): 3263145300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 263, 324, 486, 526, 789, 972, 1052, 1578, 2367, 3156, 4734, 7101, 7823, 9468, 14202, 15646, 21303, 23469, 28404, 31292, 42606, 46938, 63909, 70407, 85212, 93876, 127818, 140814, 211221, 255636, 281628, 422442, 633663, 844884, 1267326, 1900989, 2057449, 2534652, 3801978, 4114898, 6172347, 7603956, 8229796, 12344694, 18517041, 24689388, 37034082, 55551123, 74068164, 111102246, 166653369, 222204492, 333306738, 499960107, 666613476, 999920214, 1999840428]

約数ペア:

[(1, 1999840428), (2, 999920214), (3, 666613476), (4, 499960107), (6, 333306738), (9, 222204492), (12, 166653369), (18, 111102246), (27, 74068164), (36, 55551123), (54, 37034082), (81, 24689388), (108, 18517041), (162, 12344694), (243, 8229796), (263, 7603956), (324, 6172347), (486, 4114898), (526, 3801978), (789, 2534652), (972, 2057449), (1052, 1900989), (1578, 1267326), (2367, 844884), (3156, 633663), (4734, 422442), (7101, 281628), (7823, 255636), (9468, 211221), (14202, 140814), (15646, 127818), (21303, 93876), (23469, 85212), (28404, 70407), (31292, 63909), (42606, 46938)]