18727331584

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2890

約数の個数: 144

約数和(自身を含む): 42494760000

約数和(自身を除く): 23767428416

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 89, 92, 104, 128, 178, 184, 208, 256, 299, 356, 368, 416, 598, 712, 736, 832, 1157, 1196, 1424, 1472, 1664, 2047, 2314, 2392, 2749, 2848, 2944, 3328, 4094, 4628, 4784, 5498, 5696, 5888, 8188, 9256, 9568, 10996, 11392, 16376, 18512, 19136, 21992, 22784, 26611, 32752, 35737, 37024, 38272, 43984, 53222, 63227, 65504, 71474, 74048, 76544, 87968, 106444, 126454, 131008, 142948, 148096, 175936, 212888, 244661, 252908, 262016, 285896, 296192, 351872, 425776, 489322, 505816, 524032, 571792, 703744, 821951, 851552, 978644, 1011632, 1143584, 1643902, 1703104, 1957288, 2023264, 2287168, 3180593, 3287804, 3406208, 3914576, 4046528, 4574336, 5627203, 6361186, 6575608, 6812416, 7829152, 8093056, 9148672, 11254406, 12722372, 13151216, 15658304, 16186112, 22508812, 25444744, 26302432, 31316608, 45017624, 50889488, 52604864, 62633216, 73153639, 90035248, 101778976, 105209728, 146307278, 180070496, 203557952, 210419456, 292614556, 360140992, 407115904, 585229112, 720281984, 814231808, 1170458224, 1440563968, 2340916448, 4681832896, 9363665792, 18727331584]

約数ペア:

[(1, 18727331584), (2, 9363665792), (4, 4681832896), (8, 2340916448), (13, 1440563968), (16, 1170458224), (23, 814231808), (26, 720281984), (32, 585229112), (46, 407115904), (52, 360140992), (64, 292614556), (89, 210419456), (92, 203557952), (104, 180070496), (128, 146307278), (178, 105209728), (184, 101778976), (208, 90035248), (256, 73153639), (299, 62633216), (356, 52604864), (368, 50889488), (416, 45017624), (598, 31316608), (712, 26302432), (736, 25444744), (832, 22508812), (1157, 16186112), (1196, 15658304), (1424, 13151216), (1472, 12722372), (1664, 11254406), (2047, 9148672), (2314, 8093056), (2392, 7829152), (2749, 6812416), (2848, 6575608), (2944, 6361186), (3328, 5627203), (4094, 4574336), (4628, 4046528), (4784, 3914576), (5498, 3406208), (5696, 3287804), (5888, 3180593), (8188, 2287168), (9256, 2023264), (9568, 1957288), (10996, 1703104), (11392, 1643902), (16376, 1143584), (18512, 1011632), (19136, 978644), (21992, 851552), (22784, 821951), (26611, 703744), (32752, 571792), (35737, 524032), (37024, 505816), (38272, 489322), (43984, 425776), (53222, 351872), (63227, 296192), (65504, 285896), (71474, 262016), (74048, 252908), (76544, 244661), (87968, 212888), (106444, 175936), (126454, 148096), (131008, 142948)]