19702926

素因数分解:

$2^1\times 3^5\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 44972928

約数和(自身を除く): 25270002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 426, 486, 571, 639, 1142, 1278, 1713, 1917, 3426, 3834, 5139, 5751, 10278, 11502, 15417, 17253, 30834, 34506, 40541, 46251, 81082, 92502, 121623, 138753, 243246, 277506, 364869, 729738, 1094607, 2189214, 3283821, 6567642, 9851463, 19702926]

約数ペア:

[(1, 19702926), (2, 9851463), (3, 6567642), (6, 3283821), (9, 2189214), (18, 1094607), (27, 729738), (54, 364869), (71, 277506), (81, 243246), (142, 138753), (162, 121623), (213, 92502), (243, 81082), (426, 46251), (486, 40541), (571, 34506), (639, 30834), (1142, 17253), (1278, 15417), (1713, 11502), (1917, 10278), (3426, 5751), (3834, 5139)]