19554420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 61084800

約数和(自身を除く): 41530380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1009, 1020, 1140, 1292, 1615, 1938, 2018, 3027, 3230, 3876, 4036, 4845, 5045, 6054, 6460, 9690, 10090, 12108, 15135, 17153, 19171, 19380, 20180, 30270, 34306, 38342, 51459, 57513, 60540, 68612, 76684, 85765, 95855, 102918, 115026, 171530, 191710, 205836, 230052, 257295, 287565, 325907, 343060, 383420, 514590, 575130, 651814, 977721, 1029180, 1150260, 1303628, 1629535, 1955442, 3259070, 3910884, 4888605, 6518140, 9777210, 19554420]

約数ペア:

[(1, 19554420), (2, 9777210), (3, 6518140), (4, 4888605), (5, 3910884), (6, 3259070), (10, 1955442), (12, 1629535), (15, 1303628), (17, 1150260), (19, 1029180), (20, 977721), (30, 651814), (34, 575130), (38, 514590), (51, 383420), (57, 343060), (60, 325907), (68, 287565), (76, 257295), (85, 230052), (95, 205836), (102, 191710), (114, 171530), (170, 115026), (190, 102918), (204, 95855), (228, 85765), (255, 76684), (285, 68612), (323, 60540), (340, 57513), (380, 51459), (510, 38342), (570, 34306), (646, 30270), (969, 20180), (1009, 19380), (1020, 19171), (1140, 17153), (1292, 15135), (1615, 12108), (1938, 10090), (2018, 9690), (3027, 6460), (3230, 6054), (3876, 5045), (4036, 4845)]