19552995

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 144

約数和(自身を含む): 46475520

約数和(自身を除く): 26922525

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 27, 33, 35, 45, 55, 57, 63, 77, 81, 95, 99, 105, 121, 133, 135, 165, 171, 189, 209, 231, 243, 285, 297, 315, 363, 385, 399, 405, 495, 513, 567, 605, 627, 665, 693, 847, 855, 891, 945, 1045, 1089, 1155, 1197, 1215, 1463, 1485, 1539, 1701, 1815, 1881, 1995, 2079, 2299, 2541, 2565, 2673, 2835, 3135, 3267, 3465, 3591, 4235, 4389, 4455, 4617, 5445, 5643, 5985, 6237, 6897, 7315, 7623, 7695, 8505, 9405, 9801, 10395, 10773, 11495, 12705, 13167, 13365, 16093, 16335, 16929, 17955, 18711, 20691, 21945, 22869, 23085, 28215, 29403, 31185, 32319, 34485, 38115, 39501, 48279, 49005, 50787, 53865, 62073, 65835, 68607, 80465, 84645, 93555, 103455, 114345, 118503, 144837, 147015, 161595, 186219, 197505, 205821, 241395, 253935, 310365, 343035, 355509, 434511, 558657, 592515, 724185, 931095, 1029105, 1303533, 1777545, 2172555, 2793285, 3910599, 6517665, 19552995]

約数ペア:

[(1, 19552995), (3, 6517665), (5, 3910599), (7, 2793285), (9, 2172555), (11, 1777545), (15, 1303533), (19, 1029105), (21, 931095), (27, 724185), (33, 592515), (35, 558657), (45, 434511), (55, 355509), (57, 343035), (63, 310365), (77, 253935), (81, 241395), (95, 205821), (99, 197505), (105, 186219), (121, 161595), (133, 147015), (135, 144837), (165, 118503), (171, 114345), (189, 103455), (209, 93555), (231, 84645), (243, 80465), (285, 68607), (297, 65835), (315, 62073), (363, 53865), (385, 50787), (399, 49005), (405, 48279), (495, 39501), (513, 38115), (567, 34485), (605, 32319), (627, 31185), (665, 29403), (693, 28215), (847, 23085), (855, 22869), (891, 21945), (945, 20691), (1045, 18711), (1089, 17955), (1155, 16929), (1197, 16335), (1215, 16093), (1463, 13365), (1485, 13167), (1539, 12705), (1701, 11495), (1815, 10773), (1881, 10395), (1995, 9801), (2079, 9405), (2299, 8505), (2541, 7695), (2565, 7623), (2673, 7315), (2835, 6897), (3135, 6237), (3267, 5985), (3465, 5643), (3591, 5445), (4235, 4617), (4389, 4455)]