18534970804

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1\times {\mathrm{607}}^1$

素因数の和:1053

約数の個数: 96

約数和(自身を含む): 38770049024

約数和(自身を除く): 20235078220

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 277, 434, 508, 554, 607, 868, 889, 1108, 1214, 1778, 1939, 2428, 3556, 3878, 3937, 4249, 7756, 7874, 8498, 8587, 15748, 16996, 17174, 18817, 27559, 34348, 35179, 37634, 55118, 60109, 70358, 75268, 77089, 110236, 120218, 131719, 140716, 154178, 168139, 240436, 246253, 263438, 308356, 336278, 492506, 526876, 539623, 672556, 985012, 1079246, 1090549, 1176973, 2158492, 2181098, 2353946, 2389759, 4362196, 4707892, 4779518, 5212309, 7633843, 9559036, 10424618, 15267686, 16728313, 20849236, 21353653, 30535372, 33456626, 36486163, 42707306, 66913252, 72972326, 85414612, 145944652, 149475571, 298951142, 597902284, 661963243, 1323926486, 2647852972, 4633742701, 9267485402, 18534970804]

約数ペア:

[(1, 18534970804), (2, 9267485402), (4, 4633742701), (7, 2647852972), (14, 1323926486), (28, 661963243), (31, 597902284), (62, 298951142), (124, 149475571), (127, 145944652), (217, 85414612), (254, 72972326), (277, 66913252), (434, 42707306), (508, 36486163), (554, 33456626), (607, 30535372), (868, 21353653), (889, 20849236), (1108, 16728313), (1214, 15267686), (1778, 10424618), (1939, 9559036), (2428, 7633843), (3556, 5212309), (3878, 4779518), (3937, 4707892), (4249, 4362196), (7756, 2389759), (7874, 2353946), (8498, 2181098), (8587, 2158492), (15748, 1176973), (16996, 1090549), (17174, 1079246), (18817, 985012), (27559, 672556), (34348, 539623), (35179, 526876), (37634, 492506), (55118, 336278), (60109, 308356), (70358, 263438), (75268, 246253), (77089, 240436), (110236, 168139), (120218, 154178), (131719, 140716)]