18851994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 48833280

約数和(自身を除く): 29981286

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, 941, 954, 1113, 1431, 1882, 2226, 2823, 2862, 3339, 5646, 6587, 6678, 8469, 10017, 13174, 16938, 19761, 20034, 25407, 39522, 49873, 50814, 59283, 99746, 118566, 149619, 177849, 299238, 349111, 355698, 448857, 698222, 897714, 1047333, 1346571, 2094666, 2693142, 3141999, 6283998, 9425997, 18851994]

約数ペア:

[(1, 18851994), (2, 9425997), (3, 6283998), (6, 3141999), (7, 2693142), (9, 2094666), (14, 1346571), (18, 1047333), (21, 897714), (27, 698222), (42, 448857), (53, 355698), (54, 349111), (63, 299238), (106, 177849), (126, 149619), (159, 118566), (189, 99746), (318, 59283), (371, 50814), (378, 49873), (477, 39522), (742, 25407), (941, 20034), (954, 19761), (1113, 16938), (1431, 13174), (1882, 10017), (2226, 8469), (2823, 6678), (2862, 6587), (3339, 5646)]