19417284

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 51437568

約数和(自身を除く): 32020284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 137, 186, 254, 274, 279, 372, 381, 411, 508, 548, 558, 762, 822, 1116, 1143, 1233, 1524, 1644, 2286, 2466, 3937, 4247, 4572, 4932, 7874, 8494, 11811, 12741, 15748, 16988, 17399, 23622, 25482, 34798, 35433, 38223, 47244, 50964, 52197, 69596, 70866, 76446, 104394, 141732, 152892, 156591, 208788, 313182, 539369, 626364, 1078738, 1618107, 2157476, 3236214, 4854321, 6472428, 9708642, 19417284]

約数ペア:

[(1, 19417284), (2, 9708642), (3, 6472428), (4, 4854321), (6, 3236214), (9, 2157476), (12, 1618107), (18, 1078738), (31, 626364), (36, 539369), (62, 313182), (93, 208788), (124, 156591), (127, 152892), (137, 141732), (186, 104394), (254, 76446), (274, 70866), (279, 69596), (372, 52197), (381, 50964), (411, 47244), (508, 38223), (548, 35433), (558, 34798), (762, 25482), (822, 23622), (1116, 17399), (1143, 16988), (1233, 15748), (1524, 12741), (1644, 11811), (2286, 8494), (2466, 7874), (3937, 4932), (4247, 4572)]