19696389648

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1018217}}^1$

素因数の和:1018272

約数の個数: 80

約数和(自身を含む): 56564046336

約数和(自身を除く): 36867656688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 1018217, 2036434, 3054651, 4072868, 6109302, 8145736, 12218604, 13236821, 16291472, 24437208, 26473642, 31564727, 39710463, 48874416, 52947284, 63129454, 79420926, 94694181, 105894568, 126258908, 158841852, 189388362, 211789136, 252517816, 317683704, 378776724, 410341451, 505035632, 635367408, 757553448, 820682902, 1231024353, 1515106896, 1641365804, 2462048706, 3282731608, 4924097412, 6565463216, 9848194824, 19696389648]

約数ペア:

[(1, 19696389648), (2, 9848194824), (3, 6565463216), (4, 4924097412), (6, 3282731608), (8, 2462048706), (12, 1641365804), (13, 1515106896), (16, 1231024353), (24, 820682902), (26, 757553448), (31, 635367408), (39, 505035632), (48, 410341451), (52, 378776724), (62, 317683704), (78, 252517816), (93, 211789136), (104, 189388362), (124, 158841852), (156, 126258908), (186, 105894568), (208, 94694181), (248, 79420926), (312, 63129454), (372, 52947284), (403, 48874416), (496, 39710463), (624, 31564727), (744, 26473642), (806, 24437208), (1209, 16291472), (1488, 13236821), (1612, 12218604), (2418, 8145736), (3224, 6109302), (4836, 4072868), (6448, 3054651), (9672, 2036434), (19344, 1018217)]