19835685

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 39099456

約数和(自身を除く): 19263771

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 67, 81, 85, 129, 135, 153, 201, 215, 255, 335, 387, 405, 459, 603, 645, 731, 765, 1005, 1139, 1161, 1377, 1809, 1935, 2193, 2295, 2881, 3015, 3417, 3483, 3655, 5427, 5695, 5805, 6579, 6885, 8643, 9045, 10251, 10965, 14405, 17085, 17415, 19737, 25929, 27135, 30753, 32895, 43215, 48977, 51255, 59211, 77787, 92259, 98685, 129645, 146931, 153765, 233361, 244885, 296055, 388935, 440793, 461295, 734655, 1166805, 1322379, 2203965, 3967137, 6611895, 19835685]

約数ペア:

[(1, 19835685), (3, 6611895), (5, 3967137), (9, 2203965), (15, 1322379), (17, 1166805), (27, 734655), (43, 461295), (45, 440793), (51, 388935), (67, 296055), (81, 244885), (85, 233361), (129, 153765), (135, 146931), (153, 129645), (201, 98685), (215, 92259), (255, 77787), (335, 59211), (387, 51255), (405, 48977), (459, 43215), (603, 32895), (645, 30753), (731, 27135), (765, 25929), (1005, 19737), (1139, 17415), (1161, 17085), (1377, 14405), (1809, 10965), (1935, 10251), (2193, 9045), (2295, 8643), (2881, 6885), (3015, 6579), (3417, 5805), (3483, 5695), (3655, 5427)]