18964842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 41899680

約数和(自身を除く): 22934838

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 169, 177, 317, 338, 354, 507, 634, 767, 951, 1014, 1534, 1902, 2301, 4121, 4602, 8242, 9971, 12363, 18703, 19942, 24726, 29913, 37406, 53573, 56109, 59826, 107146, 112218, 160719, 243139, 321438, 486278, 729417, 1458834, 3160807, 6321614, 9482421, 18964842]

約数ペア:

[(1, 18964842), (2, 9482421), (3, 6321614), (6, 3160807), (13, 1458834), (26, 729417), (39, 486278), (59, 321438), (78, 243139), (118, 160719), (169, 112218), (177, 107146), (317, 59826), (338, 56109), (354, 53573), (507, 37406), (634, 29913), (767, 24726), (951, 19942), (1014, 18703), (1534, 12363), (1902, 9971), (2301, 8242), (4121, 4602)]