19663336

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 46500480

約数和(自身を除く): 26837144

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 137, 154, 233, 274, 308, 466, 548, 616, 932, 959, 1096, 1507, 1631, 1864, 1918, 2563, 3014, 3262, 3836, 5126, 6028, 6524, 7672, 10252, 10549, 12056, 13048, 17941, 20504, 21098, 31921, 35882, 42196, 63842, 71764, 84392, 127684, 143528, 223447, 255368, 351131, 446894, 702262, 893788, 1404524, 1787576, 2457917, 2809048, 4915834, 9831668, 19663336]

約数ペア:

[(1, 19663336), (2, 9831668), (4, 4915834), (7, 2809048), (8, 2457917), (11, 1787576), (14, 1404524), (22, 893788), (28, 702262), (44, 446894), (56, 351131), (77, 255368), (88, 223447), (137, 143528), (154, 127684), (233, 84392), (274, 71764), (308, 63842), (466, 42196), (548, 35882), (616, 31921), (932, 21098), (959, 20504), (1096, 17941), (1507, 13048), (1631, 12056), (1864, 10549), (1918, 10252), (2563, 7672), (3014, 6524), (3262, 6028), (3836, 5126)]