19255275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 38591280

約数和(自身を除く): 19336005

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 145, 195, 225, 227, 261, 325, 377, 435, 585, 681, 725, 975, 1131, 1135, 1305, 1885, 2043, 2175, 2925, 2951, 3393, 3405, 5655, 5675, 6525, 6583, 8853, 9425, 10215, 14755, 16965, 17025, 19749, 26559, 28275, 32915, 44265, 51075, 59247, 73775, 84825, 85579, 98745, 132795, 164575, 221325, 256737, 296235, 427895, 493725, 663975, 770211, 1283685, 1481175, 2139475, 3851055, 6418425, 19255275]

約数ペア:

[(1, 19255275), (3, 6418425), (5, 3851055), (9, 2139475), (13, 1481175), (15, 1283685), (25, 770211), (29, 663975), (39, 493725), (45, 427895), (65, 296235), (75, 256737), (87, 221325), (117, 164575), (145, 132795), (195, 98745), (225, 85579), (227, 84825), (261, 73775), (325, 59247), (377, 51075), (435, 44265), (585, 32915), (681, 28275), (725, 26559), (975, 19749), (1131, 17025), (1135, 16965), (1305, 14755), (1885, 10215), (2043, 9425), (2175, 8853), (2925, 6583), (2951, 6525), (3393, 5675), (3405, 5655)]