18949832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 23040568

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 53, 68, 88, 106, 136, 187, 212, 239, 374, 424, 478, 583, 748, 901, 956, 1166, 1496, 1802, 1912, 2332, 2629, 3604, 4063, 4664, 5258, 7208, 8126, 9911, 10516, 12667, 16252, 19822, 21032, 25334, 32504, 39644, 44693, 50668, 79288, 89386, 101336, 139337, 178772, 215339, 278674, 357544, 430678, 557348, 861356, 1114696, 1722712, 2368729, 4737458, 9474916, 18949832]

約数ペア:

[(1, 18949832), (2, 9474916), (4, 4737458), (8, 2368729), (11, 1722712), (17, 1114696), (22, 861356), (34, 557348), (44, 430678), (53, 357544), (68, 278674), (88, 215339), (106, 178772), (136, 139337), (187, 101336), (212, 89386), (239, 79288), (374, 50668), (424, 44693), (478, 39644), (583, 32504), (748, 25334), (901, 21032), (956, 19822), (1166, 16252), (1496, 12667), (1802, 10516), (1912, 9911), (2332, 8126), (2629, 7208), (3604, 5258), (4063, 4664)]