18005004

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:988

約数の個数: 60

約数和(自身を含む): 47892768

約数和(自身を除く): 29887764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 911, 1098, 1647, 1822, 2196, 2733, 3294, 3644, 4941, 5466, 6588, 8199, 9882, 10932, 16398, 19764, 24597, 32796, 49194, 55571, 73791, 98388, 111142, 147582, 166713, 222284, 295164, 333426, 500139, 666852, 1000278, 1500417, 2000556, 3000834, 4501251, 6001668, 9002502, 18005004]

約数ペア:

[(1, 18005004), (2, 9002502), (3, 6001668), (4, 4501251), (6, 3000834), (9, 2000556), (12, 1500417), (18, 1000278), (27, 666852), (36, 500139), (54, 333426), (61, 295164), (81, 222284), (108, 166713), (122, 147582), (162, 111142), (183, 98388), (244, 73791), (324, 55571), (366, 49194), (549, 32796), (732, 24597), (911, 19764), (1098, 16398), (1647, 10932), (1822, 9882), (2196, 8199), (2733, 6588), (3294, 5466), (3644, 4941)]