18286965

素因数分解:

$3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 56

約数和(自身を含む): 34232760

約数和(自身を除く): 15945795

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 173, 243, 261, 405, 435, 519, 729, 783, 865, 1215, 1305, 1557, 2349, 2595, 3645, 3915, 4671, 5017, 7047, 7785, 11745, 14013, 15051, 21141, 23355, 25085, 35235, 42039, 45153, 70065, 75255, 105705, 126117, 135459, 210195, 225765, 406377, 630585, 677295, 1219131, 2031885, 3657393, 6095655, 18286965]

約数ペア:

[(1, 18286965), (3, 6095655), (5, 3657393), (9, 2031885), (15, 1219131), (27, 677295), (29, 630585), (45, 406377), (81, 225765), (87, 210195), (135, 135459), (145, 126117), (173, 105705), (243, 75255), (261, 70065), (405, 45153), (435, 42039), (519, 35235), (729, 25085), (783, 23355), (865, 21141), (1215, 15051), (1305, 14013), (1557, 11745), (2349, 7785), (2595, 7047), (3645, 5017), (3915, 4671)]