18170838

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 47070720

約数和(自身を除く): 28899882

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 907, 954, 1113, 1431, 1814, 2226, 2721, 2862, 3339, 5442, 6349, 6678, 8163, 10017, 12698, 16326, 19047, 20034, 24489, 38094, 48071, 48978, 57141, 96142, 114282, 144213, 171423, 288426, 336497, 342846, 432639, 672994, 865278, 1009491, 1297917, 2018982, 2595834, 3028473, 6056946, 9085419, 18170838]

約数ペア:

[(1, 18170838), (2, 9085419), (3, 6056946), (6, 3028473), (7, 2595834), (9, 2018982), (14, 1297917), (18, 1009491), (21, 865278), (27, 672994), (42, 432639), (53, 342846), (54, 336497), (63, 288426), (106, 171423), (126, 144213), (159, 114282), (189, 96142), (318, 57141), (371, 48978), (378, 48071), (477, 38094), (742, 24489), (907, 20034), (954, 19047), (1113, 16326), (1431, 12698), (1814, 10017), (2226, 8163), (2721, 6678), (2862, 6349), (3339, 5442)]