18855408

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 59496192

約数和(自身を除く): 40640784

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 41, 44, 48, 52, 66, 67, 78, 82, 88, 104, 123, 132, 134, 143, 156, 164, 176, 201, 208, 246, 264, 268, 286, 312, 328, 402, 429, 451, 492, 528, 533, 536, 572, 624, 656, 737, 804, 858, 871, 902, 984, 1066, 1072, 1144, 1353, 1474, 1599, 1608, 1716, 1742, 1804, 1968, 2132, 2211, 2288, 2613, 2706, 2747, 2948, 3198, 3216, 3432, 3484, 3608, 4264, 4422, 5226, 5412, 5494, 5863, 5896, 6396, 6864, 6968, 7216, 8241, 8528, 8844, 9581, 10452, 10824, 10988, 11726, 11792, 12792, 13936, 16482, 17589, 17688, 19162, 20904, 21648, 21976, 23452, 25584, 28743, 30217, 32964, 35178, 35376, 35711, 38324, 41808, 43952, 46904, 57486, 60434, 65928, 70356, 71422, 76648, 90651, 93808, 107133, 114972, 120868, 131856, 140712, 142844, 153296, 181302, 214266, 229944, 241736, 281424, 285688, 362604, 392821, 428532, 459888, 483472, 571376, 725208, 785642, 857064, 1178463, 1450416, 1571284, 1714128, 2356926, 3142568, 4713852, 6285136, 9427704, 18855408]

約数ペア:

[(1, 18855408), (2, 9427704), (3, 6285136), (4, 4713852), (6, 3142568), (8, 2356926), (11, 1714128), (12, 1571284), (13, 1450416), (16, 1178463), (22, 857064), (24, 785642), (26, 725208), (33, 571376), (39, 483472), (41, 459888), (44, 428532), (48, 392821), (52, 362604), (66, 285688), (67, 281424), (78, 241736), (82, 229944), (88, 214266), (104, 181302), (123, 153296), (132, 142844), (134, 140712), (143, 131856), (156, 120868), (164, 114972), (176, 107133), (201, 93808), (208, 90651), (246, 76648), (264, 71422), (268, 70356), (286, 65928), (312, 60434), (328, 57486), (402, 46904), (429, 43952), (451, 41808), (492, 38324), (528, 35711), (533, 35376), (536, 35178), (572, 32964), (624, 30217), (656, 28743), (737, 25584), (804, 23452), (858, 21976), (871, 21648), (902, 20904), (984, 19162), (1066, 17688), (1072, 17589), (1144, 16482), (1353, 13936), (1474, 12792), (1599, 11792), (1608, 11726), (1716, 10988), (1742, 10824), (1804, 10452), (1968, 9581), (2132, 8844), (2211, 8528), (2288, 8241), (2613, 7216), (2706, 6968), (2747, 6864), (2948, 6396), (3198, 5896), (3216, 5863), (3432, 5494), (3484, 5412), (3608, 5226), (4264, 4422)]