18870714

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 43872192

約数和(自身を除く): 25001478

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 83, 102, 153, 166, 249, 306, 498, 743, 747, 1411, 1486, 1494, 2229, 2822, 4233, 4458, 6687, 8466, 12631, 12699, 13374, 25262, 25398, 37893, 61669, 75786, 113679, 123338, 185007, 227358, 370014, 555021, 1048373, 1110042, 2096746, 3145119, 6290238, 9435357, 18870714]

約数ペア:

[(1, 18870714), (2, 9435357), (3, 6290238), (6, 3145119), (9, 2096746), (17, 1110042), (18, 1048373), (34, 555021), (51, 370014), (83, 227358), (102, 185007), (153, 123338), (166, 113679), (249, 75786), (306, 61669), (498, 37893), (743, 25398), (747, 25262), (1411, 13374), (1486, 12699), (1494, 12631), (2229, 8466), (2822, 6687), (4233, 4458)]