18272870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 43200000

約数和(自身を除く): 24927130

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1249, 1330, 1463, 2090, 2498, 2926, 6245, 7315, 8743, 12490, 13739, 14630, 17486, 23731, 27478, 43715, 47462, 68695, 87430, 96173, 118655, 137390, 166117, 192346, 237310, 261041, 332234, 480865, 522082, 830585, 961730, 1305205, 1661170, 1827287, 2610410, 3654574, 9136435, 18272870]

約数ペア:

[(1, 18272870), (2, 9136435), (5, 3654574), (7, 2610410), (10, 1827287), (11, 1661170), (14, 1305205), (19, 961730), (22, 830585), (35, 522082), (38, 480865), (55, 332234), (70, 261041), (77, 237310), (95, 192346), (110, 166117), (133, 137390), (154, 118655), (190, 96173), (209, 87430), (266, 68695), (385, 47462), (418, 43715), (665, 27478), (770, 23731), (1045, 17486), (1249, 14630), (1330, 13739), (1463, 12490), (2090, 8743), (2498, 7315), (2926, 6245)]