18910112

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 40515552

約数和(自身を除く): 21605440

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 347, 416, 524, 694, 1048, 1388, 1703, 2096, 2776, 3406, 4192, 4511, 5552, 6812, 9022, 11104, 13624, 18044, 27248, 36088, 45457, 54496, 72176, 90914, 144352, 181828, 363656, 590941, 727312, 1181882, 1454624, 2363764, 4727528, 9455056, 18910112]

約数ペア:

[(1, 18910112), (2, 9455056), (4, 4727528), (8, 2363764), (13, 1454624), (16, 1181882), (26, 727312), (32, 590941), (52, 363656), (104, 181828), (131, 144352), (208, 90914), (262, 72176), (347, 54496), (416, 45457), (524, 36088), (694, 27248), (1048, 18044), (1388, 13624), (1703, 11104), (2096, 9022), (2776, 6812), (3406, 5552), (4192, 4511)]