19463555840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{15823}}^1$

素因数の和:15906

約数の個数: 108

約数和(自身を含む): 48176769312

約数和(自身を除く): 28713213472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 961, 992, 1240, 1280, 1922, 1984, 2480, 3844, 3968, 4805, 4960, 7688, 7936, 9610, 9920, 15376, 15823, 19220, 19840, 30752, 31646, 38440, 39680, 61504, 63292, 76880, 79115, 123008, 126584, 153760, 158230, 246016, 253168, 307520, 316460, 490513, 506336, 615040, 632920, 981026, 1012672, 1230080, 1265840, 1962052, 2025344, 2452565, 2531680, 3924104, 4050688, 4905130, 5063360, 7848208, 9810260, 10126720, 15205903, 15696416, 19620520, 20253440, 30411806, 31392832, 39241040, 60823612, 62785664, 76029515, 78482080, 121647224, 125571328, 152059030, 156964160, 243294448, 304118060, 313928320, 486588896, 608236120, 627856640, 973177792, 1216472240, 1946355584, 2432944480, 3892711168, 4865888960, 9731777920, 19463555840]

約数ペア:

[(1, 19463555840), (2, 9731777920), (4, 4865888960), (5, 3892711168), (8, 2432944480), (10, 1946355584), (16, 1216472240), (20, 973177792), (31, 627856640), (32, 608236120), (40, 486588896), (62, 313928320), (64, 304118060), (80, 243294448), (124, 156964160), (128, 152059030), (155, 125571328), (160, 121647224), (248, 78482080), (256, 76029515), (310, 62785664), (320, 60823612), (496, 39241040), (620, 31392832), (640, 30411806), (961, 20253440), (992, 19620520), (1240, 15696416), (1280, 15205903), (1922, 10126720), (1984, 9810260), (2480, 7848208), (3844, 5063360), (3968, 4905130), (4805, 4050688), (4960, 3924104), (7688, 2531680), (7936, 2452565), (9610, 2025344), (9920, 1962052), (15376, 1265840), (15823, 1230080), (19220, 1012672), (19840, 981026), (30752, 632920), (31646, 615040), (38440, 506336), (39680, 490513), (61504, 316460), (63292, 307520), (76880, 253168), (79115, 246016), (123008, 158230), (126584, 153760)]