18284718

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 37775232

約数和(自身を除く): 19490514

約数列:

[1, 2, 3, 6, 43, 86, 129, 131, 258, 262, 393, 541, 786, 1082, 1623, 3246, 5633, 11266, 16899, 23263, 33798, 46526, 69789, 70871, 139578, 141742, 212613, 425226, 3047453, 6094906, 9142359, 18284718]

約数ペア:

[(1, 18284718), (2, 9142359), (3, 6094906), (6, 3047453), (43, 425226), (86, 212613), (129, 141742), (131, 139578), (258, 70871), (262, 69789), (393, 46526), (541, 33798), (786, 23263), (1082, 16899), (1623, 11266), (3246, 5633)]