18317961608

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1\times {\mathrm{971}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 35473489920

約数和(自身を除く): 17155528312

約数列:

[1, 2, 4, 8, 47, 94, 131, 188, 262, 376, 383, 524, 766, 971, 1048, 1532, 1942, 3064, 3884, 6157, 7768, 12314, 18001, 24628, 36002, 45637, 49256, 50173, 72004, 91274, 100346, 127201, 144008, 182548, 200692, 254402, 365096, 371893, 401384, 508804, 743786, 1017608, 1487572, 2358131, 2975144, 4716262, 5978447, 9432524, 11956894, 17478971, 18865048, 23913788, 34957942, 47827576, 48717983, 69915884, 97435966, 139831768, 194871932, 389743864, 2289745201, 4579490402, 9158980804, 18317961608]

約数ペア:

[(1, 18317961608), (2, 9158980804), (4, 4579490402), (8, 2289745201), (47, 389743864), (94, 194871932), (131, 139831768), (188, 97435966), (262, 69915884), (376, 48717983), (383, 47827576), (524, 34957942), (766, 23913788), (971, 18865048), (1048, 17478971), (1532, 11956894), (1942, 9432524), (3064, 5978447), (3884, 4716262), (6157, 2975144), (7768, 2358131), (12314, 1487572), (18001, 1017608), (24628, 743786), (36002, 508804), (45637, 401384), (49256, 371893), (50173, 365096), (72004, 254402), (91274, 200692), (100346, 182548), (127201, 144008)]