19265715

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 43776000

約数和(自身を除く): 24510285

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 29, 35, 37, 45, 57, 63, 87, 95, 105, 111, 133, 135, 145, 171, 185, 189, 203, 259, 261, 285, 315, 333, 399, 435, 513, 551, 555, 609, 665, 703, 777, 783, 855, 945, 999, 1015, 1073, 1197, 1295, 1305, 1653, 1665, 1827, 1995, 2109, 2331, 2565, 2755, 3045, 3219, 3515, 3591, 3857, 3885, 3915, 4921, 4959, 4995, 5365, 5481, 5985, 6327, 6993, 7511, 8265, 9135, 9657, 10545, 11571, 11655, 14763, 14877, 16095, 17955, 18981, 19285, 20387, 22533, 24605, 24795, 27405, 28971, 31635, 34713, 34965, 37555, 44289, 48285, 57855, 61161, 67599, 73815, 74385, 94905, 101935, 104139, 112665, 132867, 142709, 144855, 173565, 183483, 202797, 221445, 305805, 337995, 428127, 520695, 550449, 664335, 713545, 917415, 1013985, 1284381, 2140635, 2752245, 3853143, 6421905, 19265715]

約数ペア:

[(1, 19265715), (3, 6421905), (5, 3853143), (7, 2752245), (9, 2140635), (15, 1284381), (19, 1013985), (21, 917415), (27, 713545), (29, 664335), (35, 550449), (37, 520695), (45, 428127), (57, 337995), (63, 305805), (87, 221445), (95, 202797), (105, 183483), (111, 173565), (133, 144855), (135, 142709), (145, 132867), (171, 112665), (185, 104139), (189, 101935), (203, 94905), (259, 74385), (261, 73815), (285, 67599), (315, 61161), (333, 57855), (399, 48285), (435, 44289), (513, 37555), (551, 34965), (555, 34713), (609, 31635), (665, 28971), (703, 27405), (777, 24795), (783, 24605), (855, 22533), (945, 20387), (999, 19285), (1015, 18981), (1073, 17955), (1197, 16095), (1295, 14877), (1305, 14763), (1653, 11655), (1665, 11571), (1827, 10545), (1995, 9657), (2109, 9135), (2331, 8265), (2565, 7511), (2755, 6993), (3045, 6327), (3219, 5985), (3515, 5481), (3591, 5365), (3857, 4995), (3885, 4959), (3915, 4921)]