18087678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 46464000

約数和(自身を除く): 28376322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 109, 126, 189, 218, 327, 378, 439, 654, 763, 878, 981, 1317, 1526, 1962, 2289, 2634, 2943, 3073, 3951, 4578, 5886, 6146, 6867, 7902, 9219, 11853, 13734, 18438, 20601, 23706, 27657, 41202, 47851, 55314, 82971, 95702, 143553, 165942, 287106, 334957, 430659, 669914, 861318, 1004871, 1291977, 2009742, 2583954, 3014613, 6029226, 9043839, 18087678]

約数ペア:

[(1, 18087678), (2, 9043839), (3, 6029226), (6, 3014613), (7, 2583954), (9, 2009742), (14, 1291977), (18, 1004871), (21, 861318), (27, 669914), (42, 430659), (54, 334957), (63, 287106), (109, 165942), (126, 143553), (189, 95702), (218, 82971), (327, 55314), (378, 47851), (439, 41202), (654, 27657), (763, 23706), (878, 20601), (981, 18438), (1317, 13734), (1526, 11853), (1962, 9219), (2289, 7902), (2634, 6867), (2943, 6146), (3073, 5886), (3951, 4578)]