19215650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 38167200

約数和(自身を除く): 18951550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 113, 179, 190, 226, 358, 475, 565, 895, 950, 1130, 1790, 2147, 2825, 3401, 4294, 4475, 5650, 6802, 8950, 10735, 17005, 20227, 21470, 34010, 40454, 53675, 85025, 101135, 107350, 170050, 202270, 384313, 505675, 768626, 1011350, 1921565, 3843130, 9607825, 19215650]

約数ペア:

[(1, 19215650), (2, 9607825), (5, 3843130), (10, 1921565), (19, 1011350), (25, 768626), (38, 505675), (50, 384313), (95, 202270), (113, 170050), (179, 107350), (190, 101135), (226, 85025), (358, 53675), (475, 40454), (565, 34010), (895, 21470), (950, 20227), (1130, 17005), (1790, 10735), (2147, 8950), (2825, 6802), (3401, 5650), (4294, 4475)]