19447376481

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^2\times {\mathrm{379}}^1$

素因数の和:572

約数の個数: 96

約数和(自身を含む): 32641392000

約数和(自身を除く): 13194015519

約数列:

[1, 3, 9, 13, 27, 29, 39, 71, 87, 117, 213, 261, 351, 377, 379, 639, 783, 923, 1131, 1137, 1917, 2059, 2769, 3393, 3411, 4927, 5041, 6177, 8307, 10179, 10233, 10991, 14781, 15123, 18531, 24921, 26767, 26909, 32973, 44343, 45369, 55593, 65533, 80301, 80727, 98919, 133029, 136107, 142883, 146189, 196599, 240903, 242181, 296757, 349817, 428649, 438567, 589797, 722709, 726543, 780361, 1049451, 1285947, 1315701, 1769391, 1900457, 1910539, 2341083, 3148353, 3857841, 3947103, 5701371, 5731617, 7023249, 9445059, 10144693, 17104113, 17194851, 21069747, 24837007, 30434079, 51312339, 51584553, 55405631, 74511021, 91302237, 166216893, 223533063, 273906711, 498650679, 670599189, 720273203, 1495952037, 2160819609, 6482458827, 19447376481]

約数ペア:

[(1, 19447376481), (3, 6482458827), (9, 2160819609), (13, 1495952037), (27, 720273203), (29, 670599189), (39, 498650679), (71, 273906711), (87, 223533063), (117, 166216893), (213, 91302237), (261, 74511021), (351, 55405631), (377, 51584553), (379, 51312339), (639, 30434079), (783, 24837007), (923, 21069747), (1131, 17194851), (1137, 17104113), (1917, 10144693), (2059, 9445059), (2769, 7023249), (3393, 5731617), (3411, 5701371), (4927, 3947103), (5041, 3857841), (6177, 3148353), (8307, 2341083), (10179, 1910539), (10233, 1900457), (10991, 1769391), (14781, 1315701), (15123, 1285947), (18531, 1049451), (24921, 780361), (26767, 726543), (26909, 722709), (32973, 589797), (44343, 438567), (45369, 428649), (55593, 349817), (65533, 296757), (80301, 242181), (80727, 240903), (98919, 196599), (133029, 146189), (136107, 142883)]