19313595

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 41081040

約数和(自身を除く): 21767445

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 461, 665, 735, 855, 931, 1197, 1383, 1995, 2205, 2305, 2793, 3227, 4149, 4655, 5985, 6915, 8379, 8759, 9681, 13965, 16135, 20745, 22589, 26277, 29043, 41895, 43795, 48405, 61313, 67767, 78831, 112945, 131385, 145215, 183939, 203301, 306565, 338835, 394155, 429191, 551817, 919695, 1016505, 1287573, 2145955, 2759085, 3862719, 6437865, 19313595]

約数ペア:

[(1, 19313595), (3, 6437865), (5, 3862719), (7, 2759085), (9, 2145955), (15, 1287573), (19, 1016505), (21, 919695), (35, 551817), (45, 429191), (49, 394155), (57, 338835), (63, 306565), (95, 203301), (105, 183939), (133, 145215), (147, 131385), (171, 112945), (245, 78831), (285, 67767), (315, 61313), (399, 48405), (441, 43795), (461, 41895), (665, 29043), (735, 26277), (855, 22589), (931, 20745), (1197, 16135), (1383, 13965), (1995, 9681), (2205, 8759), (2305, 8379), (2793, 6915), (3227, 5985), (4149, 4655)]