18269108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 40524960

約数和(自身を除く): 22255852

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 41, 44, 52, 76, 82, 143, 164, 209, 247, 286, 418, 451, 494, 533, 572, 779, 836, 902, 988, 1066, 1558, 1681, 1804, 2132, 2717, 3116, 3362, 5434, 5863, 6724, 8569, 10127, 10868, 11726, 17138, 18491, 20254, 21853, 23452, 31939, 34276, 36982, 40508, 43706, 63878, 73964, 87412, 111397, 127756, 222794, 240383, 351329, 415207, 445588, 480766, 702658, 830414, 961532, 1405316, 1660828, 4567277, 9134554, 18269108]

約数ペア:

[(1, 18269108), (2, 9134554), (4, 4567277), (11, 1660828), (13, 1405316), (19, 961532), (22, 830414), (26, 702658), (38, 480766), (41, 445588), (44, 415207), (52, 351329), (76, 240383), (82, 222794), (143, 127756), (164, 111397), (209, 87412), (247, 73964), (286, 63878), (418, 43706), (451, 40508), (494, 36982), (533, 34276), (572, 31939), (779, 23452), (836, 21853), (902, 20254), (988, 18491), (1066, 17138), (1558, 11726), (1681, 10868), (1804, 10127), (2132, 8569), (2717, 6724), (3116, 5863), (3362, 5434)]