18839340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 62925408

約数和(自身を除く): 44086068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 83, 90, 97, 117, 130, 156, 166, 180, 194, 195, 234, 249, 260, 291, 332, 388, 390, 415, 468, 485, 498, 582, 585, 747, 780, 830, 873, 970, 996, 1079, 1164, 1170, 1245, 1261, 1455, 1494, 1660, 1746, 1940, 2158, 2340, 2490, 2522, 2910, 2988, 3237, 3492, 3735, 3783, 4316, 4365, 4980, 5044, 5395, 5820, 6305, 6474, 7470, 7566, 8051, 8730, 9711, 10790, 11349, 12610, 12948, 14940, 15132, 16102, 16185, 17460, 18915, 19422, 21580, 22698, 24153, 25220, 32204, 32370, 37830, 38844, 40255, 45396, 48306, 48555, 56745, 64740, 72459, 75660, 80510, 96612, 97110, 104663, 113490, 120765, 144918, 161020, 194220, 209326, 226980, 241530, 289836, 313989, 362295, 418652, 483060, 523315, 627978, 724590, 941967, 1046630, 1255956, 1449180, 1569945, 1883934, 2093260, 3139890, 3767868, 4709835, 6279780, 9419670, 18839340]

約数ペア:

[(1, 18839340), (2, 9419670), (3, 6279780), (4, 4709835), (5, 3767868), (6, 3139890), (9, 2093260), (10, 1883934), (12, 1569945), (13, 1449180), (15, 1255956), (18, 1046630), (20, 941967), (26, 724590), (30, 627978), (36, 523315), (39, 483060), (45, 418652), (52, 362295), (60, 313989), (65, 289836), (78, 241530), (83, 226980), (90, 209326), (97, 194220), (117, 161020), (130, 144918), (156, 120765), (166, 113490), (180, 104663), (194, 97110), (195, 96612), (234, 80510), (249, 75660), (260, 72459), (291, 64740), (332, 56745), (388, 48555), (390, 48306), (415, 45396), (468, 40255), (485, 38844), (498, 37830), (582, 32370), (585, 32204), (747, 25220), (780, 24153), (830, 22698), (873, 21580), (970, 19422), (996, 18915), (1079, 17460), (1164, 16185), (1170, 16102), (1245, 15132), (1261, 14940), (1455, 12948), (1494, 12610), (1660, 11349), (1746, 10790), (1940, 9711), (2158, 8730), (2340, 8051), (2490, 7566), (2522, 7470), (2910, 6474), (2988, 6305), (3237, 5820), (3492, 5395), (3735, 5044), (3783, 4980), (4316, 4365)]