19229805

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 144

約数和(自身を含む): 44815680

約数和(自身を除く): 25585875

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 45, 49, 51, 57, 63, 81, 85, 95, 105, 119, 133, 135, 147, 153, 171, 189, 243, 245, 255, 285, 315, 323, 357, 399, 405, 441, 459, 513, 567, 595, 665, 735, 765, 833, 855, 931, 945, 969, 1071, 1197, 1215, 1323, 1377, 1539, 1615, 1701, 1785, 1995, 2205, 2261, 2295, 2499, 2565, 2793, 2835, 2907, 3213, 3591, 3969, 4131, 4165, 4617, 4655, 4845, 5355, 5985, 6615, 6783, 6885, 7497, 7695, 8379, 8505, 8721, 9639, 10773, 11305, 11907, 12495, 13965, 14535, 15827, 16065, 17955, 19845, 20349, 20655, 22491, 23085, 25137, 26163, 28917, 32319, 33915, 37485, 41895, 43605, 47481, 48195, 53865, 59535, 61047, 67473, 75411, 78489, 79135, 101745, 112455, 125685, 130815, 142443, 144585, 161595, 183141, 202419, 226233, 237405, 305235, 337365, 377055, 392445, 427329, 549423, 712215, 915705, 1012095, 1131165, 1281987, 2136645, 2747115, 3845961, 6409935, 19229805]

約数ペア:

[(1, 19229805), (3, 6409935), (5, 3845961), (7, 2747115), (9, 2136645), (15, 1281987), (17, 1131165), (19, 1012095), (21, 915705), (27, 712215), (35, 549423), (45, 427329), (49, 392445), (51, 377055), (57, 337365), (63, 305235), (81, 237405), (85, 226233), (95, 202419), (105, 183141), (119, 161595), (133, 144585), (135, 142443), (147, 130815), (153, 125685), (171, 112455), (189, 101745), (243, 79135), (245, 78489), (255, 75411), (285, 67473), (315, 61047), (323, 59535), (357, 53865), (399, 48195), (405, 47481), (441, 43605), (459, 41895), (513, 37485), (567, 33915), (595, 32319), (665, 28917), (735, 26163), (765, 25137), (833, 23085), (855, 22491), (931, 20655), (945, 20349), (969, 19845), (1071, 17955), (1197, 16065), (1215, 15827), (1323, 14535), (1377, 13965), (1539, 12495), (1615, 11907), (1701, 11305), (1785, 10773), (1995, 9639), (2205, 8721), (2261, 8505), (2295, 8379), (2499, 7695), (2565, 7497), (2793, 6885), (2835, 6783), (2907, 6615), (3213, 5985), (3591, 5355), (3969, 4845), (4131, 4655), (4165, 4617)]