19513621000

素因数分解:

$2^3\times 5^3\times {\mathrm{977}}^1\times {\mathrm{19973}}^1$

素因数の和:20971

約数の個数: 64

約数和(自身を含む): 45710898480

約数和(自身を除く): 26197277480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 977, 1000, 1954, 3908, 4885, 7816, 9770, 19540, 19973, 24425, 39080, 39946, 48850, 79892, 97700, 99865, 122125, 159784, 195400, 199730, 244250, 399460, 488500, 499325, 798920, 977000, 998650, 1997300, 2496625, 3994600, 4993250, 9986500, 19513621, 19973000, 39027242, 78054484, 97568105, 156108968, 195136210, 390272420, 487840525, 780544840, 975681050, 1951362100, 2439202625, 3902724200, 4878405250, 9756810500, 19513621000]

約数ペア:

[(1, 19513621000), (2, 9756810500), (4, 4878405250), (5, 3902724200), (8, 2439202625), (10, 1951362100), (20, 975681050), (25, 780544840), (40, 487840525), (50, 390272420), (100, 195136210), (125, 156108968), (200, 97568105), (250, 78054484), (500, 39027242), (977, 19973000), (1000, 19513621), (1954, 9986500), (3908, 4993250), (4885, 3994600), (7816, 2496625), (9770, 1997300), (19540, 998650), (19973, 977000), (24425, 798920), (39080, 499325), (39946, 488500), (48850, 399460), (79892, 244250), (97700, 199730), (99865, 195400), (122125, 159784)]