18989707002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:852

約数の個数: 128

約数和(自身を含む): 44955648000

約数和(自身を除く): 25965940998

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 79, 142, 149, 158, 213, 237, 298, 426, 447, 474, 497, 541, 553, 894, 994, 1043, 1082, 1106, 1491, 1623, 1659, 2086, 2982, 3129, 3246, 3318, 3787, 5609, 6258, 7574, 10579, 11218, 11361, 11771, 16827, 21158, 22722, 23542, 31737, 33654, 35313, 38411, 39263, 42739, 63474, 70626, 74053, 76822, 78526, 80609, 82397, 85478, 115233, 117789, 128217, 148106, 161218, 164794, 222159, 230466, 235578, 241827, 247191, 256434, 268877, 299173, 444318, 483654, 494382, 537754, 564263, 598346, 806631, 835741, 897519, 1128526, 1613262, 1671482, 1692789, 1795038, 2507223, 3034469, 3385578, 5014446, 5723239, 5850187, 6068938, 6368111, 9103407, 11446478, 11700374, 12736222, 17169717, 17550561, 18206814, 19104333, 21241283, 34339434, 35101122, 38208666, 40062673, 42482566, 44576777, 63723849, 80125346, 89153554, 120188019, 127447698, 133730331, 240376038, 267460662, 452135881, 904271762, 1356407643, 2712815286, 3164951167, 6329902334, 9494853501, 18989707002]

約数ペア:

[(1, 18989707002), (2, 9494853501), (3, 6329902334), (6, 3164951167), (7, 2712815286), (14, 1356407643), (21, 904271762), (42, 452135881), (71, 267460662), (79, 240376038), (142, 133730331), (149, 127447698), (158, 120188019), (213, 89153554), (237, 80125346), (298, 63723849), (426, 44576777), (447, 42482566), (474, 40062673), (497, 38208666), (541, 35101122), (553, 34339434), (894, 21241283), (994, 19104333), (1043, 18206814), (1082, 17550561), (1106, 17169717), (1491, 12736222), (1623, 11700374), (1659, 11446478), (2086, 9103407), (2982, 6368111), (3129, 6068938), (3246, 5850187), (3318, 5723239), (3787, 5014446), (5609, 3385578), (6258, 3034469), (7574, 2507223), (10579, 1795038), (11218, 1692789), (11361, 1671482), (11771, 1613262), (16827, 1128526), (21158, 897519), (22722, 835741), (23542, 806631), (31737, 598346), (33654, 564263), (35313, 537754), (38411, 494382), (39263, 483654), (42739, 444318), (63474, 299173), (70626, 268877), (74053, 256434), (76822, 247191), (78526, 241827), (80609, 235578), (82397, 230466), (85478, 222159), (115233, 164794), (117789, 161218), (128217, 148106)]