18465568

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 42230160

約数和(自身を除く): 23764592

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 121, 152, 176, 209, 242, 251, 304, 352, 418, 484, 502, 608, 836, 968, 1004, 1672, 1936, 2008, 2299, 2761, 3344, 3872, 4016, 4598, 4769, 5522, 6688, 8032, 9196, 9538, 11044, 18392, 19076, 22088, 30371, 36784, 38152, 44176, 52459, 60742, 73568, 76304, 88352, 104918, 121484, 152608, 209836, 242968, 419672, 485936, 577049, 839344, 971872, 1154098, 1678688, 2308196, 4616392, 9232784, 18465568]

約数ペア:

[(1, 18465568), (2, 9232784), (4, 4616392), (8, 2308196), (11, 1678688), (16, 1154098), (19, 971872), (22, 839344), (32, 577049), (38, 485936), (44, 419672), (76, 242968), (88, 209836), (121, 152608), (152, 121484), (176, 104918), (209, 88352), (242, 76304), (251, 73568), (304, 60742), (352, 52459), (418, 44176), (484, 38152), (502, 36784), (608, 30371), (836, 22088), (968, 19076), (1004, 18392), (1672, 11044), (1936, 9538), (2008, 9196), (2299, 8032), (2761, 6688), (3344, 5522), (3872, 4769), (4016, 4598)]