19876185

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 112

約数和(自身を含む): 44069760

約数和(自身を除く): 24193575

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 41, 45, 57, 63, 81, 95, 105, 123, 133, 135, 171, 189, 205, 243, 285, 287, 315, 369, 399, 405, 513, 567, 615, 665, 729, 779, 855, 861, 945, 1107, 1197, 1215, 1435, 1539, 1701, 1845, 1995, 2337, 2565, 2583, 2835, 3321, 3591, 3645, 3895, 4305, 4617, 5103, 5453, 5535, 5985, 7011, 7695, 7749, 8505, 9963, 10773, 11685, 12915, 13851, 16359, 16605, 17955, 21033, 23085, 23247, 25515, 27265, 29889, 32319, 35055, 38745, 49077, 49815, 53865, 63099, 69255, 69741, 81795, 96957, 105165, 116235, 147231, 149445, 161595, 189297, 209223, 245385, 315495, 348705, 441693, 484785, 567891, 736155, 946485, 1046115, 1325079, 2208465, 2839455, 3975237, 6625395, 19876185]

約数ペア:

[(1, 19876185), (3, 6625395), (5, 3975237), (7, 2839455), (9, 2208465), (15, 1325079), (19, 1046115), (21, 946485), (27, 736155), (35, 567891), (41, 484785), (45, 441693), (57, 348705), (63, 315495), (81, 245385), (95, 209223), (105, 189297), (123, 161595), (133, 149445), (135, 147231), (171, 116235), (189, 105165), (205, 96957), (243, 81795), (285, 69741), (287, 69255), (315, 63099), (369, 53865), (399, 49815), (405, 49077), (513, 38745), (567, 35055), (615, 32319), (665, 29889), (729, 27265), (779, 25515), (855, 23247), (861, 23085), (945, 21033), (1107, 17955), (1197, 16605), (1215, 16359), (1435, 13851), (1539, 12915), (1701, 11685), (1845, 10773), (1995, 9963), (2337, 8505), (2565, 7749), (2583, 7695), (2835, 7011), (3321, 5985), (3591, 5535), (3645, 5453), (3895, 5103), (4305, 4617)]