19619210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 21507190

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 47, 65, 94, 95, 130, 169, 190, 235, 247, 338, 470, 494, 611, 845, 893, 1222, 1235, 1690, 1786, 2197, 2470, 3055, 3211, 4394, 4465, 6110, 6422, 7943, 8930, 10985, 11609, 15886, 16055, 21970, 23218, 32110, 39715, 41743, 58045, 79430, 83486, 103259, 116090, 150917, 206518, 208715, 301834, 417430, 516295, 754585, 1032590, 1509170, 1961921, 3923842, 9809605, 19619210]

約数ペア:

[(1, 19619210), (2, 9809605), (5, 3923842), (10, 1961921), (13, 1509170), (19, 1032590), (26, 754585), (38, 516295), (47, 417430), (65, 301834), (94, 208715), (95, 206518), (130, 150917), (169, 116090), (190, 103259), (235, 83486), (247, 79430), (338, 58045), (470, 41743), (494, 39715), (611, 32110), (845, 23218), (893, 21970), (1222, 16055), (1235, 15886), (1690, 11609), (1786, 10985), (2197, 8930), (2470, 7943), (3055, 6422), (3211, 6110), (4394, 4465)]