18850986

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 54419040

約数和(自身を除く): 35568054

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 29, 33, 42, 49, 58, 63, 66, 67, 77, 87, 98, 99, 126, 134, 147, 154, 174, 198, 201, 203, 231, 261, 294, 319, 402, 406, 441, 462, 469, 522, 539, 603, 609, 638, 693, 737, 882, 938, 957, 1078, 1206, 1218, 1386, 1407, 1421, 1474, 1617, 1827, 1914, 1943, 2211, 2233, 2814, 2842, 2871, 3234, 3283, 3654, 3886, 4221, 4263, 4422, 4466, 4851, 5159, 5742, 5829, 6566, 6633, 6699, 8442, 8526, 9702, 9849, 10318, 11658, 12789, 13266, 13398, 13601, 15477, 15631, 17487, 19698, 20097, 21373, 25578, 27202, 29547, 30954, 31262, 34974, 36113, 40194, 40803, 42746, 46431, 46893, 59094, 64119, 72226, 81606, 92862, 93786, 95207, 108339, 122409, 128238, 140679, 149611, 190414, 192357, 216678, 244818, 281358, 285621, 299222, 325017, 384714, 448833, 571242, 650034, 856863, 897666, 1047277, 1346499, 1713726, 2094554, 2692998, 3141831, 6283662, 9425493, 18850986]

約数ペア:

[(1, 18850986), (2, 9425493), (3, 6283662), (6, 3141831), (7, 2692998), (9, 2094554), (11, 1713726), (14, 1346499), (18, 1047277), (21, 897666), (22, 856863), (29, 650034), (33, 571242), (42, 448833), (49, 384714), (58, 325017), (63, 299222), (66, 285621), (67, 281358), (77, 244818), (87, 216678), (98, 192357), (99, 190414), (126, 149611), (134, 140679), (147, 128238), (154, 122409), (174, 108339), (198, 95207), (201, 93786), (203, 92862), (231, 81606), (261, 72226), (294, 64119), (319, 59094), (402, 46893), (406, 46431), (441, 42746), (462, 40803), (469, 40194), (522, 36113), (539, 34974), (603, 31262), (609, 30954), (638, 29547), (693, 27202), (737, 25578), (882, 21373), (938, 20097), (957, 19698), (1078, 17487), (1206, 15631), (1218, 15477), (1386, 13601), (1407, 13398), (1421, 13266), (1474, 12789), (1617, 11658), (1827, 10318), (1914, 9849), (1943, 9702), (2211, 8526), (2233, 8442), (2814, 6699), (2842, 6633), (2871, 6566), (3234, 5829), (3283, 5742), (3654, 5159), (3886, 4851), (4221, 4466), (4263, 4422)]