19541648

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1171}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 43598400

約数和(自身を除く): 24056752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1171, 1192, 2086, 2342, 2384, 4172, 4684, 8197, 8344, 9368, 16394, 16688, 18736, 32788, 65576, 131152, 174479, 348958, 697916, 1221353, 1395832, 2442706, 2791664, 4885412, 9770824, 19541648]

約数ペア:

[(1, 19541648), (2, 9770824), (4, 4885412), (7, 2791664), (8, 2442706), (14, 1395832), (16, 1221353), (28, 697916), (56, 348958), (112, 174479), (149, 131152), (298, 65576), (596, 32788), (1043, 18736), (1171, 16688), (1192, 16394), (2086, 9368), (2342, 8344), (2384, 8197), (4172, 4684)]