18674344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 40602240

約数和(自身を除く): 21927896

約数列:

[1, 2, 4, 8, 13, 23, 26, 37, 46, 52, 74, 92, 104, 148, 184, 211, 296, 299, 422, 481, 598, 844, 851, 962, 1196, 1688, 1702, 1924, 2392, 2743, 3404, 3848, 4853, 5486, 6808, 7807, 9706, 10972, 11063, 15614, 19412, 21944, 22126, 31228, 38824, 44252, 62456, 63089, 88504, 101491, 126178, 179561, 202982, 252356, 359122, 405964, 504712, 718244, 811928, 1436488, 2334293, 4668586, 9337172, 18674344]

約数ペア:

[(1, 18674344), (2, 9337172), (4, 4668586), (8, 2334293), (13, 1436488), (23, 811928), (26, 718244), (37, 504712), (46, 405964), (52, 359122), (74, 252356), (92, 202982), (104, 179561), (148, 126178), (184, 101491), (211, 88504), (296, 63089), (299, 62456), (422, 44252), (481, 38824), (598, 31228), (844, 22126), (851, 21944), (962, 19412), (1196, 15614), (1688, 11063), (1702, 10972), (1924, 9706), (2392, 7807), (2743, 6808), (3404, 5486), (3848, 4853)]