2019949245

素因数分解:

$3^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{18541}}^1$

素因数の和:18827

約数の個数: 40

約数和(自身を含む): 3634602840

約数和(自身を除く): 1614653595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 269, 405, 807, 1345, 2421, 4035, 7263, 12105, 18541, 21789, 36315, 55623, 92705, 108945, 166869, 278115, 500607, 834345, 1501821, 2503035, 4987529, 7509105, 14962587, 24937645, 44887761, 74812935, 134663283, 224438805, 403989849, 673316415, 2019949245]

約数ペア:

[(1, 2019949245), (3, 673316415), (5, 403989849), (9, 224438805), (15, 134663283), (27, 74812935), (45, 44887761), (81, 24937645), (135, 14962587), (269, 7509105), (405, 4987529), (807, 2503035), (1345, 1501821), (2421, 834345), (4035, 500607), (7263, 278115), (12105, 166869), (18541, 108945), (21789, 92705), (36315, 55623)]