18219124

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 40118400

約数和(自身を除く): 21899276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 149, 154, 298, 308, 397, 596, 794, 1043, 1588, 1639, 2086, 2779, 3278, 4172, 4367, 5558, 6556, 8734, 11116, 11473, 17468, 22946, 30569, 45892, 59153, 61138, 118306, 122276, 236612, 414071, 650683, 828142, 1301366, 1656284, 2602732, 4554781, 9109562, 18219124]

約数ペア:

[(1, 18219124), (2, 9109562), (4, 4554781), (7, 2602732), (11, 1656284), (14, 1301366), (22, 828142), (28, 650683), (44, 414071), (77, 236612), (149, 122276), (154, 118306), (298, 61138), (308, 59153), (397, 45892), (596, 30569), (794, 22946), (1043, 17468), (1588, 11473), (1639, 11116), (2086, 8734), (2779, 6556), (3278, 5558), (4172, 4367)]