18161568

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3354

約数の個数: 72

約数和(自身を含む): 54381600

約数和(自身を除く): 36220032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3319, 5472, 6638, 9957, 13276, 19914, 26552, 29871, 39828, 53104, 59742, 63061, 79656, 106208, 119484, 126122, 159312, 189183, 238968, 252244, 318624, 378366, 477936, 504488, 567549, 756732, 955872, 1008976, 1135098, 1513464, 2017952, 2270196, 3026928, 4540392, 6053856, 9080784, 18161568]

約数ペア:

[(1, 18161568), (2, 9080784), (3, 6053856), (4, 4540392), (6, 3026928), (8, 2270196), (9, 2017952), (12, 1513464), (16, 1135098), (18, 1008976), (19, 955872), (24, 756732), (32, 567549), (36, 504488), (38, 477936), (48, 378366), (57, 318624), (72, 252244), (76, 238968), (96, 189183), (114, 159312), (144, 126122), (152, 119484), (171, 106208), (228, 79656), (288, 63061), (304, 59742), (342, 53104), (456, 39828), (608, 29871), (684, 26552), (912, 19914), (1368, 13276), (1824, 9957), (2736, 6638), (3319, 5472)]