19604865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 39075840

約数和(自身を除く): 19470975

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 57, 93, 95, 105, 133, 155, 217, 285, 317, 399, 465, 589, 651, 665, 951, 1085, 1585, 1767, 1995, 2219, 2945, 3255, 4123, 4755, 6023, 6657, 8835, 9827, 11095, 12369, 18069, 20615, 29481, 30115, 33285, 42161, 49135, 61845, 68789, 90345, 126483, 147405, 186713, 206367, 210805, 343945, 560139, 632415, 933565, 1031835, 1306991, 2800695, 3920973, 6534955, 19604865]

約数ペア:

[(1, 19604865), (3, 6534955), (5, 3920973), (7, 2800695), (15, 1306991), (19, 1031835), (21, 933565), (31, 632415), (35, 560139), (57, 343945), (93, 210805), (95, 206367), (105, 186713), (133, 147405), (155, 126483), (217, 90345), (285, 68789), (317, 61845), (399, 49135), (465, 42161), (589, 33285), (651, 30115), (665, 29481), (951, 20615), (1085, 18069), (1585, 12369), (1767, 11095), (1995, 9827), (2219, 8835), (2945, 6657), (3255, 6023), (4123, 4755)]