19885590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 56440800

約数和(自身を除く): 36555210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 29, 30, 38, 45, 57, 58, 87, 90, 95, 114, 145, 171, 174, 190, 261, 285, 290, 342, 401, 435, 522, 551, 570, 802, 855, 870, 1102, 1203, 1305, 1653, 1710, 2005, 2406, 2610, 2755, 3306, 3609, 4010, 4959, 5510, 6015, 7218, 7619, 8265, 9918, 11629, 12030, 15238, 16530, 18045, 22857, 23258, 24795, 34887, 36090, 38095, 45714, 49590, 58145, 68571, 69774, 76190, 104661, 114285, 116290, 137142, 174435, 209322, 220951, 228570, 342855, 348870, 441902, 523305, 662853, 685710, 1046610, 1104755, 1325706, 1988559, 2209510, 3314265, 3977118, 6628530, 9942795, 19885590]

約数ペア:

[(1, 19885590), (2, 9942795), (3, 6628530), (5, 3977118), (6, 3314265), (9, 2209510), (10, 1988559), (15, 1325706), (18, 1104755), (19, 1046610), (29, 685710), (30, 662853), (38, 523305), (45, 441902), (57, 348870), (58, 342855), (87, 228570), (90, 220951), (95, 209322), (114, 174435), (145, 137142), (171, 116290), (174, 114285), (190, 104661), (261, 76190), (285, 69774), (290, 68571), (342, 58145), (401, 49590), (435, 45714), (522, 38095), (551, 36090), (570, 34887), (802, 24795), (855, 23258), (870, 22857), (1102, 18045), (1203, 16530), (1305, 15238), (1653, 12030), (1710, 11629), (2005, 9918), (2406, 8265), (2610, 7619), (2755, 7218), (3306, 6015), (3609, 5510), (4010, 4959)]